---
title: Ascertain the quantity of sleep required nightly by a child of nine… — Sleep and healthy eating · tree and pragmatics
description: Ascertain the quantity of sleep required nightly by a child of nine to ten years. Exam question 3 of lesson 80 «Sleep and healthy eating» of the everyday 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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# Exam question 3 · Sleep and healthy eating

<!-- .ven lang=en -->
Ascertain the quantity of sleep required nightly by a child of nine to ten years.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, require · **To what, where:** quantity

<!-- .vabout -->
This is exam question 3 of lesson 80 «Sleep and healthy eating» 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/80-sleep-and-healthy-eating/#e3).

## The question {#question}

```conllu
# sent_id = question:everyday:80-sleep-and-healthy-eating:e3:1
# text = Ascertain the quantity of sleep required nightly by a child of nine to ten years.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	quantity	quantity	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	sleep	sleep	NOUN	NN	Number=Sing	3	nmod	_	_
6	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
7	nightly	nightly	ADV	RB	_	6	advmod	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	child	child	NOUN	NN	Number=Sing	6	obl	_	_
11	of	of	ADP	IN	_	15	case	_	_
12	nine	nine	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
13	to	to	ADP	IN	_	14	case	_	_
14	ten	ten	NUM	CD	NumForm=Word|NumType=Card	12	nmod	_	_
15	years	year	NOUN	NNS	Number=Plur	10	nmod	_	SpaceAfter=No
16	.	.	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 quantity of sleep |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent quantity=Topic |
| 2 | **require** | participle |  | the quantity of sleep *not said here* |  |  |  | by a child of nine years; nightly *property* | 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 -->
Approximately four to six hours

```conllu
# sent_id = question:everyday:80-sleep-and-healthy-eating:e3:o1:1
# text = Approximately four to six hours
1	Approximately	approximately	ADV	RB	_	2	advmod	_	_
2	four	four	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	six	six	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 2 {#o2}

<!-- .ven lang=en -->
Approximately fifteen to eighteen hours

```conllu
# sent_id = question:everyday:80-sleep-and-healthy-eating:e3:o2:1
# text = Approximately fifteen to eighteen hours
1	Approximately	approximately	ADV	RB	_	2	advmod	_	_
2	fifteen	fifteen	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	eighteen	eighteen	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 · ✓ the right answer {#o3}

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

```conllu
# sent_id = question:everyday:80-sleep-and-healthy-eating:e3:o3:1
# text = Approximately nine to twelve hours
1	Approximately	approximately	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 4 {#o4}

<!-- .ven lang=en -->
Approximately six to seven hours

```conllu
# sent_id = question:everyday:80-sleep-and-healthy-eating:e3:o4:1
# text = Approximately six to seven hours
1	Approximately	approximately	ADV	RB	_	2	advmod	_	_
2	six	six	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	seven	seven	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.

<!-- div src -->

**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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- ← previous: [Sleep and healthy eating, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/80-sleep-and-healthy-eating/e2/)
- next →: [Sleep and healthy eating, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/80-sleep-and-healthy-eating/e4/)
- ↑ back to [Sleep and healthy eating](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/80-sleep-and-healthy-eating/)