---
title: In people this is the stage when most vivid dreams happen. — Do animals dream? Twitching dogs, replaying rats… · tree and pragmatics
description: In people this is the stage when most vivid dreams happen. Who acts: this, vivid dreams. A sentence of the lesson «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every claus
---

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# Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses, sentence 4

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In people this is the stage when most vivid dreams happen.

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**Who acts:** this, vivid dreams · **What happens:** be, happen · **To what, where:** stage

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This is a sentence of the lesson «Do animals dream? Twitching dogs, replaying rats and colour-changing octopuses» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (this, vivid dreams), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses.lesson:4
# text = In people this is the stage when most vivid dreams happen.
# source = school lesson (ours)
# course = biology
# lesson = 391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	In	in	ADP	IN	_	2	case	_	_
2	people	people	NOUN	NNS	Number=Plur	6	obl	_	_
3	this	this	PRON	DT	Number=Sing|PronType=Dem	6	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	stage	stage	NOUN	NN	Number=Sing	0	root	_	_
7	when	when	ADV	WRB	PronType=Rel	11	advmod	_	_
8	most	most	ADV	RBS	Degree=Sup	9	advmod	_	_
9	vivid	vivid	ADJ	JJ	Degree=Pos	10	amod	_	_
10	dreams	dream	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
12	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | this | the stage |  |  |  | in people | tree rules |
| 2 | **happen** | present | vivid dreams |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

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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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:391-do-animals-dream-twitching-dogs-replaying-rats-and-colour-changing-octopuses.lesson:4`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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