---
title: Select the response consistent with the established facts concerning… — Indicators: the red-cabbage rainbow · tree and pragmatics
description: Select the response consistent with the established facts concerning litmus. Exam question 4 of lesson 17 «Indicators: the red-cabbage rainbow» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Exam question 4 · Indicators: the red-cabbage rainbow

<!-- .ven lang=en -->
Select the response consistent with the established facts concerning litmus.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you, established facts · **What happens:** select, establish, concern · **To what, where:** response, litmus

<!-- .vabout -->
This is exam question 4 of lesson 17 «Indicators: the red-cabbage rainbow» 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/17-indicators-the-red-cabbage-rainbow/#e4).

## The question {#question}

```conllu
# sent_id = question:chemistry:17-indicators-the-red-cabbage-rainbow:e4:1
# text = Select the response consistent with the established facts concerning litmus.
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	1	xcomp	_	_
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	_	_
9	concerning	concern	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	litmus	litmus	NOUN	NN	Number=Sing	9	obj	_	SpaceAfter=No
11	.	.	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 |  |  |  | consistent *property* | 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 |
| 3 | **concern** | gerund | the established facts *not said here* | litmus |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus litmus=Experiencer |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
It turns blue in acid and red in alkali, and its dye is obtained from cabbage

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:chemistry:17-indicators-the-red-cabbage-rainbow:e4:o1:1
# text = It turns blue in acid and red in alkali, and its dye is obtained from cabbage
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	blue	blue	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	acid	acid	ADJ	JJ	Degree=Pos	2	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	red	red	ADJ	JJ	Degree=Pos	5	conj	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	alkali	alkali	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
10	,	,	PUNCT	,	_	15	punct	_	_
11	and	and	CCONJ	CC	_	15	cc	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	dye	dye	NOUN	NN	Number=Sing	15	nsubj:pass	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	aux:pass	_	_
15	obtained	obtain	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	conj	_	_
16	from	from	ADP	IN	_	17	case	_	_
17	cabbage	cabbage	NOUN	NN	Number=Sing	15	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | It |  |  | acid |  | in alkali; blue *property* | vn roll-51.3.1 «NP.theme V PP.source PP.trajectory PP.destination»: agent=Theme in acid=Source in alkali=Trajectory |
| 2 | **obtain** | present · passive |  | alkali's dye |  | cabbage |  |  | vn obtain-13.5.2-1 «NP V NP PP.source»: subject=Theme from cabbage=Source |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It turns red in acid and blue in alkali, and its dye is obtained from lichens

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:chemistry:17-indicators-the-red-cabbage-rainbow:e4:o2:1
# text = It turns red in acid and blue in alkali, and its dye is obtained from lichens
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	red	red	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	acid	acid	NOUN	NN	Number=Sing	2	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	blue	blue	ADJ	JJ	Degree=Pos	5	conj	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	alkali	alkali	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
10	,	,	PUNCT	,	_	15	punct	_	_
11	and	and	CCONJ	CC	_	15	cc	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	dye	dye	NOUN	NN	Number=Sing	15	nsubj:pass	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	aux:pass	_	_
15	obtained	obtain	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	parataxis	_	_
16	from	from	ADP	IN	_	17	case	_	_
17	lichens	lichen	NOUN	NNS	Number=Plur	15	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | It |  |  | acid |  | red *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme in acid=Trajectory |
| 2 | **obtain** | present · passive |  | alkali's dye |  | lichens |  |  | vn obtain-13.5.2-1 «NP V NP PP.source»: subject=Theme from lichen=Source |

### Option 3 {#o3}

<!-- .ven lang=en -->
It remains unchanged in acid and turns green in alkali

```conllu
# sent_id = question:chemistry:17-indicators-the-red-cabbage-rainbow:e4:o3:1
# text = It remains unchanged in acid and turns green in alkali
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	unchanged	unchanged	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	acid	acid	NOUN	NN	Number=Sing	2	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
8	green	green	ADJ	JJ	Degree=Pos	7	xcomp	_	_
9	in	in	ADP	IN	_	10	case	_	_
10	alkali	alkali	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remain** | present | It |  |  | acid |  | unchanged *property* | vn exist-47.1 «NP V PP.location»: agent=Theme in acid=Location |
| 2 | **turn** | present |  |  |  | alkali |  | green *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme in alkali=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is a recent invention of the present century

```conllu
# sent_id = question:chemistry:17-indicators-the-red-cabbage-rainbow:e4:o4:1
# text = It is a recent invention of the present century
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	recent	recent	ADJ	JJ	Degree=Pos	5	amod	_	_
5	invention	invention	NOUN	NN	Number=Sing	0	root	_	_
6	of	of	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	present	present	ADJ	JJ	Degree=Pos	9	amod	_	_
9	century	century	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a recent invention |  |  | century |  | tree rules |

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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.

<!-- /div -->

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