---
title: A cat's eyes shine green in the car lights. Why? — The nocturnal house: night animals by… · tree and pragmatics
description: A cat's eyes shine green in the car lights. Why? Test 6 · ★★ of lesson 95 «The nocturnal house: night animals by red light» of the biology 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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# Test 6 · ★★ · The nocturnal house: night animals by red light

<!-- .ven lang=en -->
A cat's eyes shine green in the car lights. Why?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** eyes · **What happens:** shine · **To what, where:** car lights

<!-- .vabout -->
This is test 6 · ★★ of lesson 95 «The nocturnal house: night animals by red light» of the biology course of Mova's primary school. 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/95-the-nocturnal-house-night-animals-by-red-light/#t6).

## The question {#question}

<!-- .note -->
*Sentence 1:* A cat's eyes shine green in the car lights.

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:1
# text = A cat's eyes shine green in the car lights.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	cat	cat	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	eyes	eye	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	shine	shine	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	green	green	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	in	in	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	car	car	NOUN	NN	Number=Sing	10	compound	_	_
10	lights	light	NOUN	NNS	Number=Plur	5	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shine** | present | a cat's eyes |  |  | the car lights |  | green *property* | vn light\_emission-43.1 «NP V PP.location»: agent=Theme in light=Location |

<!-- .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:* Why?

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:2
# text = Why?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	SpaceAfter=No
2	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Its eyes make their own light, like a glow-worm does

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:o1:1
# text = Its eyes make their own light, like a glow-worm does
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
5	own	own	ADJ	JJ	Degree=Pos	6	amod	_	_
6	light	light	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	13	punct	_	_
8	like	like	SCONJ	IN	_	13	mark	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
10	glow	glow	NOUN	NN	Number=Sing	12	compound	_	SpaceAfter=No
11	-	-	PUNCT	HYPH	_	10	punct	_	SpaceAfter=No
12	worm	worm	NOUN	NN	Number=Sing	13	nsubj	_	_
13	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Its eyes | eyes's own light |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset light=Product |
| 2 | **do** | present | a glow worm |  |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |
| 3 | **light** |  | eyes *= eye* |  |  |  |  |  | nom light «phenomenon transitive»: poss=agent |

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

<!-- .ven lang=en -->
A shiny layer at the back of the eye reflects the light

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:o2:1
# text = A shiny layer at the back of the eye reflects the light
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	shiny	shiny	ADJ	JJ	Degree=Pos	3	amod	_	_
3	layer	layer	NOUN	NN	Number=Sing	10	nsubj	_	_
4	at	at	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	back	back	NOUN	NN	Number=Sing	3	nmod	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	eye	eye	NOUN	NN	Number=Sing	6	nmod	_	_
10	reflects	reflect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	light	light	NOUN	NN	Number=Sing	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reflect** | present | a shiny layer at the back of the eye | the light |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Its eyes are full of fire

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:o3:1
# text = Its eyes are full of fire
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	full	full	ADJ	JJ	Degree=Pos	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	fire	fire	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Its eyes |  |  |  |  | of fire; full *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is angry at the car

```conllu
# sent_id = question:biology:95-the-nocturnal-house-night-animals-by-red-light:t6:o4:1
# text = It is angry at the car
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	angry	angry	ADJ	JJ	Degree=Pos	0	root	_	_
4	at	at	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	car	car	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  | the car |  | angry *property* | 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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