---
title: «cat's eyes were glowing green in the dark, proper demon» What is th… — Cats: purring, whiskers, night eyes an… · tree and pragmatics
description: «cat's eyes were glowing green in the dark, proper demon» What is the real reason? Test 12 · ★ 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 the question and of each option; Mova's choice wa
---

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# Test 12 · ★ · Cats: purring, whiskers, night eyes and grooming

<!-- .ven lang=en -->
«cat's eyes were glowing green in the dark, proper demon» What is the real reason?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** eyes, dark proper demon · **What happens:** glow, be · **To what, where:** real reason

<!-- .vabout -->
This is test 12 · ★ of lesson 197 «Cats: purring, whiskers, night eyes and grooming» 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/197-cats-purring-whiskers-night-eyes-and-grooming/#t12).

## The question {#question}

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:t12:1
# text = «cat's eyes were glowing green in the dark, proper demon» What is the real reason?
1	«	«	PUNCT	``	_	6	punct	_	SpaceAfter=No
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	6	nsubj	_	_
5	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	6	aux	_	_
6	glowing	glow	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
7	green	green	ADJ	JJ	Degree=Pos	6	xcomp	_	_
8	in	in	ADP	IN	_	13	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
10	dark	dark	ADJ	JJ	Degree=Pos	13	amod	_	SpaceAfter=No
11	,	,	PUNCT	,	_	10	punct	_	_
12	proper	proper	ADJ	JJ	Degree=Pos	13	amod	_	_
13	demon	demon	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
14	»	»	PUNCT	''	_	13	punct	_	_
15	What	what	PRON	WP	PronType=Int	19	nsubj	_	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	19	cop	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
18	real	real	ADJ	JJ	Degree=Pos	19	amod	_	_
19	reason	reason	NOUN	NN	Number=Sing	13	acl:relcl	_	SpaceAfter=No
20	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **glow** *in a quote* | past · progressive | cat's eyes |  |  |  |  | in the dark proper demon; green *property* | vn light\_emission-43.1 «NP V PP.location»: agent=Theme in demon=Location |
| 2 | **is a** | present | the dark proper demon | the real reason |  |  |  |  | tree rules |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Cats have little lights in their eyes that they switch on in the dark

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:t12:o1:1
# text = Cats have little lights in their eyes that they switch on in the dark
1	Cats	cat	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	little	little	ADJ	JJ	Degree=Pos	4	amod	_	_
4	lights	light	NOUN	NNS	Number=Plur	2	obj	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	eyes	eye	NOUN	NNS	Number=Plur	2	obl	_	_
8	that	that	SCONJ	IN	_	10	mark	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
10	switch	switch	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
11	on	on	ADP	RP	_	10	compound:prt	_	_
12	in	in	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	dark	dark	NOUN	NN	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Cats | little lights |  | Cats's eyes |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent light=Patient |
| 2 | **switch on** | present | Cats *= cat* |  |  | the dark |  |  | vn convert-26.6.2-1-1 «NP V»: agent=Patient |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
A mirror layer at the back of each eye bounces the light back

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:t12:o2:1
# text = A mirror layer at the back of each eye bounces the light back
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	mirror	mirror	NOUN	NN	Number=Sing	3	compound	_	_
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	each	each	DET	DT	PronType=Tot	9	det	_	_
9	eye	eye	NOUN	NN	Number=Sing	6	nmod	_	_
10	bounces	bounce	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	_	_
13	back	back	ADV	RB	_	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bounce back** | present | a mirror layer at the back of each eye | the light |  |  |  |  | vn run-51.3.2-2 «NP V NP»: agent=Agent light=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Only magic cats do that

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:t12:o3:1
# text = Only magic cats do that
1	Only	only	ADV	RB	_	3	advmod	_	_
2	magic	magic	ADJ	JJ	Degree=Pos	3	amod	_	_
3	cats	cat	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	that	that	PRON	DT	Number=Sing|PronType=Dem	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present | magic cats | that |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent that=Eventuality |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is a sign of illness

```conllu
# sent_id = question:biology:197-cats-purring-whiskers-night-eyes-and-grooming:t12:o4:1
# text = It is a sign of illness
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	sign	sign	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	illness	illness	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a sign |  |  |  | of illness | 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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