---
title: It is given that a ring containing copper produces a green mark upon… — Tarnish and how metals change · tree and pragmatics
description: It is given that a ring containing copper produces a green mark upon the skin of its wearer. Select the response consistent with the established facts. Exam question 3 of lesson 14 «Tarnish and how metals change» of the chemistry course of Mova's primary school, with the dependency tree and pragmati
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/chemistry/14-tarnish-and-how-metals-change/e3/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/) / [Tarnish and how metals change](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/14-tarnish-and-how-metals-change/) / e3

# Exam question 3 · Tarnish and how metals change

<!-- .ven lang=en -->
It is given that a ring containing copper produces a green mark upon the skin of its wearer. Select the response consistent with the established facts.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** ring, you · **What happens:** give, contain, produce, select, establish · **To what, where:** It, copper, green mark, response

<!-- .vabout -->
This is exam question 3 of lesson 14 «Tarnish and how metals change» of the chemistry course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/14-tarnish-and-how-metals-change/#e3).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a ring containing copper produces a green mark upon the skin of its wearer.

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:1
# text = It is given that a ring containing copper produces a green mark upon the skin of its wearer.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	9	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	ring	ring	NOUN	NN	Number=Sing	9	nsubj	_	_
7	containing	contain	VERB	VBG	VerbForm=Ger	6	acl	_	_
8	copper	copper	NOUN	NN	Number=Sing	7	obj	_	_
9	produces	produce	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	green	green	ADJ	JJ	Degree=Pos	12	amod	_	_
12	mark	mark	NOUN	NN	Number=Sing	9	obj	_	_
13	upon	upon	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	skin	skin	NOUN	NN	Number=Sing	12	nmod	_	_
16	of	of	ADP	IN	_	18	case	_	_
17	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
18	wearer	wearer	NOUN	NN	Number=Sing	15	nmod	_	SpaceAfter=No
19	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **contain** | gerund | a ring *not said here* | copper |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot copper=Theme |
| 3 | **produce** | present | a ring | a green mark |  |  |  | upon the skin of ring's wearer | vn create-26.4 «NP V NP»: agent=Agent mark=Result |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* Select the response consistent with the established facts.

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:2
# text = Select the response consistent with the established facts.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	consistent	consistent	ADJ	JJ	Degree=Pos	3	amod	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	facts	fact	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
The mark denotes poisoning of the blood and requires urgent medical treatment

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:o1:1
# text = The mark denotes poisoning of the blood and requires urgent medical treatment
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	mark	mark	NOUN	NN	Number=Sing	3	nsubj	_	_
3	denotes	denote	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	poisoning	poisoning	NOUN	NN	Number=Sing	3	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	blood	blood	NOUN	NN	Number=Sing	4	nmod	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	requires	require	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
10	urgent	urgent	ADJ	JJ	Degree=Pos	12	amod	_	_
11	medical	medical	ADJ	JJ	Degree=Pos	12	amod	_	_
12	treatment	treatment	NOUN	NN	Number=Sing	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **denote** | present | the mark | poisoning of the blood |  |  |  |  | vn indicate-78 «NP V NP»: agent=Pivot poisoning=Topic |
| 2 | **require** | present | the mark *not said here* | urgent medical treatment |  |  |  |  | vn require-103-1 «NP V NP»: agent=Theme treatment=Precondition |
| 3 | **poison** |  |  | the blood |  |  |  |  | nom poisoning «state transitive»: of=patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The mark results from the ring absorbing iron from the blood

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:o2:1
# text = The mark results from the ring absorbing iron from the blood
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	mark	mark	NOUN	NN	Number=Sing	3	compound	_	_
3	results	result	NOUN	NNS	Number=Plur	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	ring	ring	NOUN	NN	Number=Sing	3	nmod	_	_
7	absorbing	absorb	VERB	VBG	VerbForm=Ger	6	acl	_	_
8	iron	iron	NOUN	NN	Number=Sing	7	obj	_	_
9	from	from	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	blood	blood	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **absorb** | gerund | the ring *not said here* | iron |  | the blood |  |  | vn absorb-39.8 «NP V NP PP.source»: agent=Goal iron=Theme from blood=Source |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The mark results from sweat reacting with the copper and is harmless

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:o3:1
# text = The mark results from sweat reacting with the copper and is harmless
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	mark	mark	NOUN	NN	Number=Sing	3	compound	_	_
3	results	result	NOUN	NNS	Number=Plur	6	nsubj	_	_
4	from	from	ADP	IN	_	5	case	_	_
5	sweat	sweat	NOUN	NN	Number=Sing	3	nmod	_	_
6	reacting	react	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	copper	copper	NOUN	NN	Number=Sing	6	obl	_	_
10	and	and	CCONJ	CC	_	12	cc	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	harmless	harmless	ADJ	JJ	Degree=Pos	6	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **react** | gerund | the mark results from sweat |  |  |  |  | with the copper | vn respond-113 «NP V PP.predicate»: agent=Agent with copper=Eventuality |
| 2 | **is** | present | the mark results from sweat *not said here* |  |  |  |  | harmless *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
The mark is permanent and cannot be washed away

```conllu
# sent_id = question:chemistry:14-tarnish-and-how-metals-change:e3:o4:1
# text = The mark is permanent and cannot be washed away
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	mark	mark	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	permanent	permanent	ADJ	JJ	Degree=Pos	0	root	_	_
5	and	and	CCONJ	CC	_	9	cc	_	_
6	can	can	AUX	MD	VerbForm=Fin	9	aux	_	SpaceAfter=No
7	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
8	be	be	AUX	VB	VerbForm=Inf	9	aux:pass	_	_
9	washed	wash	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
10	away	away	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the mark |  |  |  |  | permanent *property* | tree rules |
| 2 | **not** **wash away** | can · passive | the mark *not said here* |  |  |  |  | away *property* | vn floss-41.2.1 «NP V» |

<!-- div src -->

**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

<!-- /div -->

<!-- pn -->
- ← previous: [Tarnish and how metals change, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/14-tarnish-and-how-metals-change/e2/)
- next →: [Tarnish and how metals change, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/14-tarnish-and-how-metals-change/e4/)
- ↑ back to [Tarnish and how metals change](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/14-tarnish-and-how-metals-change/)