---
title: What would happen if a sleeping cat's brain did not stop its body du… — Do animals dream? Twitching dogs, repl… · tree and pragmatics
description: What would happen if a sleeping cat's brain did not stop its body during dreaming sleep? Test 3 · ★ of lesson 391 «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question a
---

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# Test 3 · ★ · Do animals dream? Twitching dogs, replaying rats and colou…

<!-- .ven lang=en -->
What would happen if a sleeping cat's brain did not stop its body during dreaming sleep?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** brain · **What happens:** happen, not stop, dream · **To what, where:** body, sleep

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This is test 3 · ★ of lesson 391 «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» 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/391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses/#t3).

## The question {#question}

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:t3:1
# text = What would happen if a sleeping cat's brain did not stop its body during dreaming sleep?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	if	if	SCONJ	IN	_	12	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	sleeping	sleeping	NOUN	NN	Number=Sing	7	compound	_	_
7	cat	cat	NOUN	NN	Number=Sing	9	nmod:poss	_	SpaceAfter=No
8	's	's	PART	POS	_	7	case	_	_
9	brain	brain	NOUN	NN	Number=Sing	12	nsubj	_	_
10	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	aux	_	_
11	not	not	PART	RB	Polarity=Neg	12	advmod	_	_
12	stop	stop	VERB	VB	VerbForm=Inf	3	advcl	_	_
13	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	body	body	NOUN	NN	Number=Sing	12	obj	_	_
15	during	during	ADP	IN	_	16	case	_	_
16	dreaming	dream	VERB	VBG	VerbForm=Ger	12	xcomp	_	_
17	sleep	sleep	NOUN	NN	Number=Sing	16	obj	_	SpaceAfter=No
18	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **not** **stop** *a condition, not said to happen* | past · do-support | a sleeping cat's brain | brain's body |  |  |  |  | tree rules |
| 3 | **dream** | gerund | a sleeping cat's brain *not said here* | sleep |  |  |  |  | vn cognize-85 «NP V NP»: agent=Agent sleep=Topic |

<!-- .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 -->
It might jump up and act out its dream, chasing things that are not there

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:t3:o1:1
# text = It might jump up and act out its dream, chasing things that are not there
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	might	might	AUX	MD	VerbForm=Fin	3	aux	_	_
3	jump	jump	VERB	VB	VerbForm=Inf	0	root	_	_
4	up	up	ADV	RB	_	3	advmod	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	act	act	VERB	VB	VerbForm=Inf	3	conj	_	_
7	out	out	ADP	RP	_	6	compound:prt	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	dream	dream	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
10	,	,	PUNCT	,	_	11	punct	_	_
11	chasing	chase	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
12	things	thing	NOUN	NNS	Number=Plur	11	obj	_	_
13	that	that	PRON	WDT	PronType=Rel	16	nsubj	_	_
14	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	cop	_	_
15	not	not	PART	RB	Polarity=Neg	16	advmod	_	_
16	there	there	ADV	RB	PronType=Dem	12	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **jump up** | might | It |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **act out** | infinitive |  | its dream |  |  |  |  | vn act-114-1-1 «NP V PP.predicate»: agent=Agent dream=Eventuality |
| 3 | **chase** | gerund |  | things |  |  |  |  | vn chase-51.6 «NP V NP»: agent=Agent thing=Theme |
| 4 | **not** **is** | present | things |  |  |  |  | there *property* | tree rules |
| 5 | **dream** |  | its *= it* |  |  |  |  |  | nom dream «cognition transitive»: poss=agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
Nothing at all would change, because cats never move when asleep

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:t3:o2:1
# text = Nothing at all would change, because cats never move when asleep
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	5	nsubj	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	all	all	DET	DT	PronType=Tot	1	nmod	_	_
4	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
5	change	change	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	because	because	SCONJ	IN	_	10	mark	_	_
8	cats	cat	NOUN	NNS	Number=Plur	10	nsubj	_	_
9	never	never	ADV	RB	PronType=Neg	10	advmod	_	_
10	move	move	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
11	when	when	SCONJ	WRB	_	12	mark	_	_
12	asleep	asleep	ADJ	JJ	Degree=Pos	10	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | would | Nothing |  |  |  |  |  | vn dress-41.1.1-1-1 «NP V»: agent=Agent |
| 2 | **not** **move** | present | cats |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
It would sleep more quietly and more deeply than it ever had before

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:t3:o3:1
# text = It would sleep more quietly and more deeply than it ever had before
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	sleep	sleep	VERB	VB	VerbForm=Inf	0	root	_	_
4	more	more	ADV	RBR	Degree=Cmp	5	advmod	_	_
5	quietly	quietly	ADV	RB	_	3	advmod	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	more	more	ADV	RBR	Degree=Cmp	8	advmod	_	_
8	deeply	deeply	ADV	RB	_	3	conj	_	_
9	than	than	SCONJ	IN	_	12	mark	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	_	_
11	ever	ever	ADV	RB	PronType=Ind	12	advmod	_	_
12	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	8	advcl	_	_
13	before	before	ADV	RB	_	12	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sleep** | would | It |  |  |  |  | quietly *property* | vn snooze-40.4-1 «NP V»: agent=Agent |
| 2 | **have** | past | it |  |  |  | ever | before *property* | vn birth-28.2-1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
It would stop dreaming at once and never dream again

```conllu
# sent_id = question:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses:t3:o4:1
# text = It would stop dreaming at once and never dream again
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	stop	stop	VERB	VB	VerbForm=Inf	0	root	_	_
4	dreaming	dream	VERB	VBG	VerbForm=Ger	3	xcomp	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	once	once	ADV	RB	NumForm=Word|NumType=Mult	4	obl	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	never	never	ADV	RB	PronType=Neg	9	advmod	_	_
9	dream	dream	VERB	VB	VerbForm=Inf	3	conj	_	_
10	again	again	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | would | It |  |  |  |  |  | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality |
| 2 | **dream** | gerund |  |  |  |  |  |  | vn cognize-85 «NP V PP.topic»: agent=Agent |
| 3 | **not** **dream** | infinitive |  |  |  |  | again |  | vn cognize-85 «NP V PP.topic»: agent=Agent |

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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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