---
title: It is given that a human being passes through sleep cycles each of a… — Do animals dream? Twitching dogs, repl… · tree and pragmatics
description: It is given that a human being passes through sleep cycles each of approximately one and a half hours. Ascertain the approximate number of dreaming stages in one night of normal sleep. Exam question 3 of lesson 391 «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» of t
---

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# Exam question 3 · Do animals dream? Twitching dogs, replaying rats and colou…

<!-- .ven lang=en -->
It is given that a human being passes through sleep cycles each of approximately one and a half hours. Ascertain the approximate number of dreaming stages in one night of normal sleep.

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**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** give, pass, ascertain, dream · **To what, where:** It, sleep cycles, approximate number

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This is exam question 3 of lesson 391 «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» of the biology 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/biology/391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses/#e3).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a human being passes through sleep cycles each of approximately one and a half hours.

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:1
# text = It is given that a human being passes through sleep cycles each of approximately one and a half hours.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	6	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	human	human	ADJ	JJ	Degree=Pos	3	xcomp	_	_
7	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	8	nsubj	_	_
8	passes	pass	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	through	through	ADP	IN	_	11	case	_	_
10	sleep	sleep	NOUN	NN	Number=Sing	11	compound	_	_
11	cycles	cycle	NOUN	NNS	Number=Plur	8	obl	_	_
12	each	each	DET	DT	PronType=Tot	15	det	_	_
13	of	of	ADP	IN	_	15	case	_	_
14	approximately	approximately	ADV	RB	_	15	advmod	_	_
15	one	one	NUM	CD	NumForm=Word|NumType=Card	11	appos	_	_
16	and	and	CCONJ	CC	_	19	cc	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	19	compound	_	_
19	hours	hour	NOUN	NNS	Number=Plur	15	conj	_	SpaceAfter=No
20	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  | human *property* | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **pass** | present |  |  |  | sleep cycles |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme through cycle=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.

<!-- .note -->
*Sentence 2:* Ascertain the approximate number of dreaming stages in one night of normal sleep.

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:2
# text = Ascertain the approximate number of dreaming stages in one night of normal sleep.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	approximate	approximate	ADJ	JJ	Degree=Pos	4	amod	_	_
4	number	number	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	dreaming	dream	VERB	VBG	VerbForm=Ger	7	amod	_	_
7	stages	stage	NOUN	NNS	Number=Plur	4	nmod	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	one	one	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	night	night	NOUN	NN	Number=Sing	7	nmod	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	normal	normal	ADJ	JJ	Degree=Pos	13	amod	_	_
13	sleep	sleep	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the approximate number of dreaming stages in one night of normal sleep |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |
| 2 | **dream** | gerund |  |  |  |  |  |  | vn cognize-85 «NP V PP.topic»: agent=Agent |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
One

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:o1:1
# text = One
1	One	one	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Fifteen

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:o2:1
# text = Fifteen
1	Fifteen	fifteen	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
None whatsoever

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:o3:1
# text = None whatsoever
1	None	none	PRON	NN	PronType=Neg	0	root	_	_
2	whatsoever	whatsoever	ADV	RB	_	1	advmod	_	_
```

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

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

<!-- .ven lang=en -->
Four or five

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:e3:o4:1
# text = Four or five
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
2	or	or	CCONJ	CC	_	3	cc	_	_
3	five	five	NUM	CD	NumForm=Word|NumType=Card	1	conj	_	_
```

<!-- .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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- ↑ back to [Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses](https://md.mova.elamur.ai/free/en/corpora/questions/biology/391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses/)

