---
title: Select the response consistent with the established facts concerning… — Cats: purring, whiskers, night eyes an… · tree and pragmatics
description: Select the response consistent with the established facts concerning the vision of the cat in conditions of low illumination. Exam question 3 of lesson 197 «Cats: purring, whiskers, night eyes and grooming» of the biology course of Mova's primary school, with the dependency tree and pragmatics of th
---

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# Exam question 3 · Cats: purring, whiskers, night eyes and grooming

<!-- .ven lang=en -->
Select the response consistent with the established facts concerning the vision of the cat in conditions of low illumination.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** you, established facts · **What happens:** select, establish, concern, condition · **To what, where:** response, vision, conditions, low illumination

<!-- .vabout -->
This is exam question 3 of lesson 197 «Cats: purring, whiskers, night eyes and grooming» of the biology 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/biology/197-cats-purring-whiskers-night-eyes-and-grooming/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:e3:1
# text = Select the response consistent with the established facts concerning the vision of the cat in conditions of low illumination.
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	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	vision	vision	NOUN	NN	Number=Sing	9	obj	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	cat	cat	NOUN	NN	Number=Sing	11	nmod	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	conditions	condition	NOUN	NNS	Number=Plur	9	obl	_	_
17	of	of	ADP	IN	_	19	case	_	_
18	low	low	ADJ	JJ	Degree=Pos	19	amod	_	_
19	illumination	illumination	NOUN	NN	Number=Sing	16	nmod	_	SpaceAfter=No
20	.	.	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* | the vision of the cat |  | conditions of low illumination |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus vision=Experiencer |
| 4 | **condition** |  |  | low illumination |  |  |  |  | nom condition «state transitive»: of=patient |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
A reflective layer permits vision in a fraction of the light required by humans, though not in total darkness

<!-- fold The tree, 19 words -->
```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:e3:o1:1
# text = A reflective layer permits vision in a fraction of the light required by humans, though not in total darkness
1	A	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
2	reflective	reflective	ADJ	JJ	Degree=Pos	5	amod	_	_
3	layer	layer	NOUN	NN	Number=Sing	4	compound	_	_
4	permits	permit	NOUN	NNS	Number=Plur	5	compound	_	_
5	vision	vision	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	fraction	fraction	NOUN	NN	Number=Sing	5	nmod	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	light	light	NOUN	NN	Number=Sing	8	nmod	_	_
12	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	acl	_	_
13	by	by	ADP	IN	_	14	case	_	_
14	humans	human	NOUN	NNS	Number=Plur	12	obl:agent	_	SpaceAfter=No
15	,	,	PUNCT	,	_	20	punct	_	_
16	though	though	SCONJ	IN	_	20	mark	_	_
17	not	not	PART	RB	Polarity=Neg	20	advmod	_	_
18	in	in	ADP	IN	_	20	case	_	_
19	total	total	ADJ	JJ	Degree=Pos	20	amod	_	_
20	darkness	darkness	NOUN	NN	Number=Sing	5	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **require** | participle |  | the light *not said here* |  |  |  |  | vn require-103-1 «NP V NP S\_INF»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The eyes of the cat emit light of their own

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:e3:o2:1
# text = The eyes of the cat emit light of their own
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	cat	cat	NOUN	NN	Number=Sing	2	nmod	_	_
6	emit	emit	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
7	light	light	NOUN	NN	Number=Sing	6	obj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	own	own	ADJ	JJ	Degree=Pos	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **emit** | infinitive | the eyes of the cat | light |  |  |  | of eyes's own | vn substance\_emission-43.4 «NP V NP»: agent=Source light=Theme |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
The cat perceives perfectly in total darkness, its eyes requiring no light whatsoever to form an image

<!-- fold The tree, 17 words -->
```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:e3:o3:1
# text = The cat perceives perfectly in total darkness, its eyes requiring no light whatsoever to form an image
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cat	cat	NOUN	NN	Number=Sing	3	nsubj	_	_
3	perceives	perceive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	perfectly	perfectly	ADV	RB	_	3	advmod	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	total	total	ADJ	JJ	Degree=Pos	7	amod	_	_
7	darkness	darkness	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	eyes	eye	NOUN	NNS	Number=Plur	7	appos	_	_
11	requiring	require	VERB	VBG	VerbForm=Ger	10	acl	_	_
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	light	light	NOUN	NN	Number=Sing	11	obj	_	_
14	whatsoever	whatsoever	ADV	RB	_	11	advmod	_	_
15	to	to	PART	TO	_	16	mark	_	_
16	form	form	VERB	VB	VerbForm=Inf	3	advcl	_	_
17	an	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	image	image	NOUN	NN	Number=Sing	16	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **perceive** | present | the cat |  |  | total darkness |  | perfectly *property* | vn see-30.1-1 «NP V S\_ING»: agent=Experiencer |
| 2 | **require** | gerund | cat's eyes *not said here* | no light |  |  |  | whatsoever *property* | vn require-103-1 «NP V NP»: agent=Theme light=Precondition |
| 3 | **form** | to-infinitive | the cat *not said here* | a image |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location image=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
The cat is entirely blind after sunset

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:e3:o4:1
# text = The cat is entirely blind after sunset
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cat	cat	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	entirely	entirely	ADV	RB	_	5	advmod	_	_
5	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	_
6	after	after	ADP	IN	_	7	case	_	_
7	sunset	sunset	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the cat |  |  |  | sunset | blind, entirely *property* | tree rules |

<!-- 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 -->

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- ← previous: [Cats: purring, whiskers, night eyes an…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/197-cats-purring-whiskers-night-eyes-and-grooming/e2/)
- next →: [Cats: purring, whiskers, night eyes an…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/197-cats-purring-whiskers-night-eyes-and-grooming/e4/)
- ↑ back to [Cats: purring, whiskers, night eyes and grooming](https://md.mova.elamur.ai/free/en/corpora/questions/biology/197-cats-purring-whiskers-night-eyes-and-grooming/)