---
title: Why do kittens stay in a safe nest for the first weeks? — Mammals and how they care for their yo… · tree and pragmatics
description: Why do kittens stay in a safe nest for the first weeks? Test 4 of lesson 75 «Mammals and how they care for their young» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 4 · Mammals and how they care for their young

<!-- .ven lang=en -->
Why do kittens stay in a safe nest for the first weeks?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** kittens · **What happens:** stay · **To what, where:** safe nest

<!-- .vabout -->
This is test 4 of lesson 75 «Mammals and how they care for their young» of the world 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/world/75-mammals-and-their-young/#t4).

## The question {#question}

```conllu
# sent_id = question:world:75-mammals-and-their-young:t4:1
# text = Why do kittens stay in a safe nest for the first weeks?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	kittens	kitten	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	stay	stay	VERB	VB	VerbForm=Inf	0	root	_	_
5	in	in	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	safe	safe	ADJ	JJ	Degree=Pos	8	amod	_	_
8	nest	nest	NOUN	NN	Number=Sing	4	obl	_	_
9	for	for	ADP	IN	_	12	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	first	first	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	12	amod	_	_
12	weeks	week	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
13	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present · do-support | kittens |  |  | a safe nest | week |  | vn exist-47.1 «NP V PP.location»: agent=Theme in nest=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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
They are born helpless with closed eyes

```conllu
# sent_id = question:world:75-mammals-and-their-young:t4:o1:1
# text = They are born helpless with closed eyes
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	born	bear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	helpless	helpless	ADJ	JJ	Degree=Pos	3	xcomp	_	_
5	with	with	ADP	IN	_	7	case	_	_
6	closed	close	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	amod	_	_
7	eyes	eye	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bear** | present · passive |  | They |  |  |  | with closed eyes; helpless *property* | vn birth-28.2-1-1 «NP V NP»: subject=Patient |
| 2 | **close** | participle |  |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
They are waiting to hatch

```conllu
# sent_id = question:world:75-mammals-and-their-young:t4:o2:1
# text = They are waiting to hatch
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	waiting	wait	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	hatch	hatch	VERB	VB	VerbForm=Inf	3	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wait** | present · progressive | They |  |  |  |  |  | tree rules |
| 2 | **hatch** | to-infinitive | They *not said here* |  |  |  |  |  | vn grow-26.2.1 «NP.patient V PP.product»: agent=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Their mother forbids them to see light

```conllu
# sent_id = question:world:75-mammals-and-their-young:t4:o3:1
# text = Their mother forbids them to see light
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	mother	mother	NOUN	NN	Number=Sing	3	nsubj	_	_
3	forbids	forbid	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	3	obj	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	see	see	VERB	VB	VerbForm=Inf	3	advcl	_	_
7	light	light	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **forbid** | present | Their mother | them *= they* |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer they=Theme |
| 2 | **see** | to-infinitive | Their mother *not said here* | light |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer light=Stimulus |

### Option 4 {#o4}

<!-- .ven lang=en -->
They are too heavy to move about on their own

```conllu
# sent_id = question:world:75-mammals-and-their-young:t4:o4:1
# text = They are too heavy to move about on their own
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	too	too	ADV	RB	_	4	advmod	_	_
4	heavy	heavy	ADJ	JJ	Degree=Pos	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	move	move	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	about	about	ADV	RB	_	6	advmod	_	_
8	on	on	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 | **is** | present | They |  |  |  |  | heavy *property* | tree rules |
| 2 | **move about** | to-infinitive | They *not said here* |  |  | their own |  | about *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme on own=Trajectory |

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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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