---
title: «why do small hunters like cats have slit eyes but lions round ones»… — How real cats hunt: stalking, waiting… · tree and pragmatics
description: «why do small hunters like cats have slit eyes but lions round ones» What is the best idea? Test 12 · ★★ of lesson 119 «How real cats hunt: stalking, waiting and pouncing» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova
---

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# Test 12 · ★★ · How real cats hunt: stalking, waiting and pouncing

<!-- .ven lang=en -->
«why do small hunters like cats have slit eyes but lions round ones» What is the best idea?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** small hunters · **What happens:** slit, be · **To what, where:** eyes, best idea

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This is test 12 · ★★ of lesson 119 «How real cats hunt: stalking, waiting and pouncing» 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/119-how-real-cats-hunt/#t12).

## The question {#question}

```conllu
# sent_id = question:biology:119-how-real-cats-hunt:t12:1
# text = «why do small hunters like cats have slit eyes but lions round ones» What is the best idea?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	why	why	ADV	WRB	PronType=Int	3	advmod	_	_
3	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	20	discourse	_	_
4	small	small	ADJ	JJ	Degree=Pos	5	amod	_	_
5	hunters	hunter	NOUN	NNS	Number=Plur	9	nsubj	_	_
6	like	like	ADP	IN	_	7	case	_	_
7	cats	cat	NOUN	NNS	Number=Plur	5	nmod	_	_
8	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	aux	_	_
9	slit	slit	VERB	VBN	Tense=Past|VerbForm=Part	3	acl:relcl	_	_
10	eyes	eye	NOUN	NNS	Number=Plur	9	obj	_	_
11	but	but	CCONJ	CC	_	12	cc	_	_
12	lions	lion	NOUN	NNS	Number=Plur	10	conj	_	_
13	round	round	ADP	IN	_	14	case	_	_
14	ones	one	NOUN	NNS	Number=Plur	9	obl	_	SpaceAfter=No
15	»	»	PUNCT	''	_	3	punct	_	_
16	What	what	PRON	WP	PronType=Int	20	nsubj	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	20	cop	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
19	best	good	ADJ	JJS	Degree=Sup	20	amod	_	_
20	idea	idea	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
21	?	?	PUNCT	.	_	20	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **slit** *in a quote* | present · perfect | small hunters like cats | eyes but lions |  |  |  | round ones | vn carve-21.2-1 «NP V NP»: agent=Agent eye=Patient |
| 2 | **is a** | present |  | the best idea |  |  |  |  | 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 -->
Slit eyes help cats eat grass

```conllu
# sent_id = question:biology:119-how-real-cats-hunt:t12:o1:1
# text = Slit eyes help cats eat grass
1	Slit	slit	ADJ	JJ	Degree=Pos	2	amod	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	cats	cat	NOUN	NNS	Number=Plur	3	obj	_	_
5	eat	eat	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	grass	grass	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | Slit eyes | cats |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent cat=Beneficiary clause=Theme |
| 2 | **eat** | infinitive | cats *not said here* | grass |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent grass=Patient |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Round eyes are only for animals with big teeth and loud roars

```conllu
# sent_id = question:biology:119-how-real-cats-hunt:t12:o2:1
# text = Round eyes are only for animals with big teeth and loud roars
1	Round	round	ADJ	JJ	Degree=Pos	2	amod	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	animals	animal	NOUN	NNS	Number=Plur	0	root	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	big	big	ADJ	JJ	Degree=Pos	9	amod	_	_
9	teeth	tooth	NOUN	NNS	Number=Plur	6	nmod	_	_
10	and	and	CCONJ	CC	_	12	cc	_	_
11	loud	loud	ADJ	JJ	Degree=Pos	12	amod	_	_
12	roars	roar	NOUN	NNS	Number=Plur	9	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Round eyes |  |  |  |  | for animals; with big teeth and loud roars | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Lions are blind in daylight, so they need round eyes for the night

```conllu
# sent_id = question:biology:119-how-real-cats-hunt:t12:o3:1
# text = Lions are blind in daylight, so they need round eyes for the night
1	Lions	lion	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	daylight	daylight	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	so	so	ADV	RB	_	9	advmod	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
9	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	_
10	round	round	ADJ	JJ	Degree=Pos	11	amod	_	_
11	eyes	eye	NOUN	NNS	Number=Plur	9	obj	_	_
12	for	for	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	night	night	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Lions |  |  | daylight |  | blind *property* | tree rules |
| 2 | **need** | present | Lions *= lion* | round eyes |  |  | night |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot eye=Theme |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Slit pupils suit small animals hunting both in sunlight and at dusk

```conllu
# sent_id = question:biology:119-how-real-cats-hunt:t12:o4:1
# text = Slit pupils suit small animals hunting both in sunlight and at dusk
1	Slit	slit	ADJ	JJ	Degree=Pos	2	amod	_	_
2	pupils	pupil	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	suit	suit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	small	small	ADJ	JJ	Degree=Pos	5	amod	_	_
5	animals	animal	NOUN	NNS	Number=Plur	3	obj	_	_
6	hunting	hunt	VERB	VBG	VerbForm=Ger	5	acl	_	_
7	both	both	CCONJ	CC	_	9	cc:preconj	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	sunlight	sunlight	NOUN	NN	Number=Sing	6	obj	_	_
10	and	and	CCONJ	CC	_	12	cc	_	_
11	at	at	ADP	IN	_	12	case	_	_
12	dusk	dusk	NOUN	NN	Number=Sing	9	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **suit** | present | Slit pupils | small animals |  |  |  |  | tree rules |
| 2 | **hunt** | gerund | small animals *not said here* | sunlight and dusk |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent sunlight=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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- ← previous: [How real cats hunt: stalking, waiting…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/119-how-real-cats-hunt/t11/)
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