---
title: It is given that a steel article is coated with a layer of zinc. Sel… — Rust: iron's slow fire · tree and pragmatics
description: It is given that a steel article is coated with a layer of zinc. Select the statement most consistent with the established facts concerning such a coating. Exam question 2 of lesson 13 «Rust: iron's slow fire» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics 
---

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# Exam question 2 · Rust: iron's slow fire

<!-- .ven lang=en -->
It is given that a steel article is coated with a layer of zinc. Select the statement most consistent with the established facts concerning such a coating.

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 1 · wrong ✗ · **Who acts:** you, established facts · **What happens:** give, coat, select, establish, concern · **To what, where:** It, steel article, statement, coating

<!-- .vabout -->
This is exam question 2 of lesson 13 «Rust: iron's slow fire» 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/13-rust-irons-slow-fire/#e2).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a steel article is coated with a layer of zinc.

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:1
# text = It is given that a steel article is coated with a layer of zinc.
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	7	det	_	_
6	steel	steel	NOUN	NN	Number=Sing	7	compound	_	_
7	article	article	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	coated	coat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
10	with	with	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	layer	layer	NOUN	NN	Number=Sing	9	obl	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	zinc	zinc	NOUN	NN	Number=Sing	12	nmod	_	SpaceAfter=No
15	.	.	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 | **coat** | present · passive |  | a steel article |  |  |  | with a layer of zinc | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination with layer=Theme |

<!-- .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 statement most consistent with the established facts concerning such a coating.

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:2
# text = Select the statement most consistent with the established facts concerning such a coating.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	statement	statement	NOUN	NN	Number=Sing	1	obj	_	_
4	most	most	ADV	RBS	Degree=Sup	5	advmod	_	_
5	consistent	consistent	ADJ	JJ	Degree=Pos	3	amod	_	_
6	with	with	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
9	facts	fact	NOUN	NNS	Number=Plur	5	obl	_	_
10	concerning	concern	VERB	VBG	VerbForm=Ger	9	acl	_	_
11	such	such	DET	PDT	PronType=Ind	13	det:predet	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	coating	coating	NOUN	NN	Number=Sing	10	obj	_	SpaceAfter=No
14	.	.	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 statement |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent statement=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |
| 3 | **concern** | gerund | the established facts *not said here* | such coating |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus coating=Experiencer |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The zinc reacts preferentially and thereby protects the steel

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:o1:1
# text = The zinc reacts preferentially and thereby protects the steel
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	zinc	zinc	NOUN	NN	Number=Sing	3	nsubj	_	_
3	reacts	react	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	preferentially	preferentially	ADV	RB	_	3	advmod	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	thereby	thereby	ADV	RB	_	7	advmod	_	_
7	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	steel	steel	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **react** | present | the zinc |  |  |  |  | preferentially *property* | vn respond-113 «NP V»: agent=Agent |
| 2 | **protect** | present | the zinc *not said here* | the steel |  |  |  | thereby *property* | vn defend-72.3 «NP V NP»: agent=Agent steel=Beneficiary |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
The zinc converts the steel beneath it into stainless steel

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:o2:1
# text = The zinc converts the steel beneath it into stainless steel
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	zinc	zinc	NOUN	NN	Number=Sing	3	nsubj	_	_
3	converts	convert	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	steel	steel	NOUN	NN	Number=Sing	3	obj	_	_
6	beneath	beneath	ADP	IN	_	7	case	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obl	_	_
8	into	into	ADP	IN	_	10	case	_	_
9	stainless	stainless	ADJ	JJ	Degree=Pos	10	amod	_	_
10	steel	steel	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **convert** | present | the zinc | the steel |  |  |  | into stainless steel *result*; beneath steel | vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent steel=Patient into steel=Result |

### Option 3 {#o3}

<!-- .ven lang=en -->
The zinc accelerates the rusting of the steel

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:o3:1
# text = The zinc accelerates the rusting of the steel
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	zinc	zinc	NOUN	NN	Number=Sing	3	nsubj	_	_
3	accelerates	accelerate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	rusting	rusting	NOUN	NN	Number=Sing	3	obj	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	steel	steel	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **accelerate** | present | the zinc | the rusting of the steel |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent rusting=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The zinc renders the steel incapable of conducting heat

```conllu
# sent_id = question:chemistry:13-rust-irons-slow-fire:e2:o4:1
# text = The zinc renders the steel incapable of conducting heat
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	zinc	zinc	NOUN	NN	Number=Sing	3	nsubj	_	_
3	renders	render	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	steel	steel	NOUN	NN	Number=Sing	6	compound	_	_
6	incapable	incapable	NOUN	NN	Number=Sing	3	obj	_	_
7	of	of	SCONJ	IN	_	8	mark	_	_
8	conducting	conduct	VERB	VBG	VerbForm=Ger	6	acl	_	_
9	heat	heat	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **render** | present | the zinc | the steel incapable |  |  |  |  | vn give-13.1 «NP V NP»: agent=Agent incapable=Theme |
| 2 | **conduct** | gerund | the steel incapable *not said here* | heat |  |  |  |  | vn accompany-51.7 «NP V NP»: agent=Agent heat=Theme |

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**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.

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