---
title: Ascertain the number of hours of sleep per night required by childre… — A new baby, looking after siblings and… · tree and pragmatics
description: Ascertain the number of hours of sleep per night required by children between six and twelve years of age. Exam question 2 of lesson 95 «A new baby, looking after siblings and living with parents» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the questio
---

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# Exam question 2 · A new baby, looking after siblings and living with parents

<!-- .ven lang=en -->
Ascertain the number of hours of sleep per night required by children between six and twelve years of age.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, require · **To what, where:** number, night

<!-- .vabout -->
This is exam question 2 of lesson 95 «A new baby, looking after siblings and living with parents» of the everyday 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/everyday/95-babies-siblings-and-parents/#e2).

## The question {#question}

```conllu
# sent_id = question:everyday:95-babies-siblings-and-parents:e2:1
# text = Ascertain the number of hours of sleep per night required by children between six and twelve years of age.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	number	number	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	hours	hour	NOUN	NNS	Number=Plur	3	nmod	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	sleep	sleep	NOUN	NN	Number=Sing	5	nmod	_	_
8	per	per	ADP	IN	_	9	case	_	_
9	night	night	NOUN	NN	Number=Sing	7	nmod	_	_
10	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
11	by	by	ADP	IN	_	12	case	_	_
12	children	child	NOUN	NNS	Number=Plur	10	obl	_	_
13	between	between	ADP	IN	_	14	case	_	_
14	six	six	NUM	CD	NumForm=Word|NumType=Card	17	nummod	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	14	conj	_	_
17	years	year	NOUN	NNS	Number=Plur	10	obl:unmarked	_	_
18	of	of	ADP	IN	_	19	case	_	_
19	age	age	NOUN	NN	Number=Sing	17	nmod	_	SpaceAfter=No
20	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the number of hours of sleep per night |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |
| 2 | **require** | participle |  | night *not said here* |  |  | year | by children | vn require-103-1 «NP V NP S\_INF»: agent=Theme |

<!-- .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 {#o1}

<!-- .ven lang=en -->
About four to five hours each night

```conllu
# sent_id = question:everyday:95-babies-siblings-and-parents:e2:o1:1
# text = About four to five hours each night
1	About	about	ADV	RB	_	2	advmod	_	_
2	four	four	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	five	five	NUM	CD	NumForm=Word|NumType=Card	2	nmod	_	_
5	hours	hour	NOUN	NNS	Number=Plur	0	root	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	night	night	NOUN	NN	Number=Sing	5	nmod:unmarked	_	_
```

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

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

<!-- .ven lang=en -->
About nine to twelve hours

```conllu
# sent_id = question:everyday:95-babies-siblings-and-parents:e2:o2:1
# text = About nine to twelve hours
1	About	about	ADV	RB	_	2	advmod	_	_
2	nine	nine	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	2	nmod	_	_
5	hours	hour	NOUN	NNS	Number=Plur	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
About eighteen to twenty hours

```conllu
# sent_id = question:everyday:95-babies-siblings-and-parents:e2:o3:1
# text = About eighteen to twenty hours
1	About	about	ADV	RB	_	2	advmod	_	_
2	eighteen	eighteen	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	twenty	twenty	NUM	CD	NumForm=Word|NumType=Card	2	nmod	_	_
5	hours	hour	NOUN	NNS	Number=Plur	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
About two to three hours each night

```conllu
# sent_id = question:everyday:95-babies-siblings-and-parents:e2:o4:1
# text = About two to three hours each night
1	About	about	ADV	RB	_	2	advmod	_	_
2	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	three	three	NUM	CD	NumForm=Word|NumType=Card	2	nmod	_	_
5	hours	hour	NOUN	NNS	Number=Plur	0	root	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	night	night	NOUN	NN	Number=Sing	5	nmod:unmarked	_	_
```

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

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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: [A new baby, looking after siblings and…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/95-babies-siblings-and-parents/e1/)
- next →: [A new baby, looking after siblings and…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/95-babies-siblings-and-parents/e3/)
- ↑ back to [A new baby, looking after siblings and living with parents](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/95-babies-siblings-and-parents/)