---
title: Hamsters are active at night; in the wild they run many kilometres l… — Hamsters, gerbils and pet rats and mice · tree and pragmatics
description: Hamsters are active at night; in the wild they run many kilometres looking for food, so a pet needs a big solid wheel that keeps its back straight. Who acts: Hamsters, pouches, pet, big solid wheel. A sentence of the lesson «Hamsters, gerbils and pet rats and mice» of the biology course of Mova's pr
---

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# Hamsters, gerbils and pet rats and mice, sentence 5

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Hamsters are active at night; in the wild they run many kilometres looking for food, so a pet needs a big solid wheel that keeps its back straight.

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**Who acts:** Hamsters, pouches, pet, big solid wheel · **What happens:** be, run, look, need, keep · **To what, where:** many kilometres, wild, big solid wheel, back

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This is a sentence of the lesson «Hamsters, gerbils and pet rats and mice» 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 (Hamsters, pouches, pet, big solid wheel), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:202-hamsters-gerbils-and-pet-rats-and-mice.lesson:5
# text = Hamsters are active at night; in the wild they run many kilometres looking for food, so a pet needs a big solid wheel that keeps its back straight.
# source = school lesson (ours)
# course = biology
# lesson = 202-hamsters-gerbils-and-pet-rats-and-mice.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): R5-strong ×1, R7-rel-agree ×2
1	Hamsters	hamster	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	active	active	ADJ	JJ	Degree=Pos	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	night	night	NOUN	NN	Number=Sing	3	obl	_	_
6	;	;	PUNCT	:	_	11	punct	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	wild	wild	NOUN	NN	Number=Sing	11	obl	_	_
10	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	11	nsubj	_	_
11	run	run	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
12	many	many	ADJ	JJ	Degree=Pos	13	amod	_	_
13	kilometres	kilometre	NOUN	NNS	Number=Plur	11	obj	_	_
14	looking	look	VERB	VBG	VerbForm=Ger	11	advcl	_	Agree=R5-strong|Haiku=13:acl
15	for	for	ADP	IN	_	16	case	_	_
16	food	food	NOUN	NN	Number=Sing	14	obl	_	_
17	,	,	PUNCT	,	_	21	punct	_	_
18	so	so	ADV	RB	_	21	advmod	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	pet	pet	NOUN	NN	Number=Sing	21	nsubj	_	_
21	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
22	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
23	big	big	ADJ	JJ	Degree=Pos	25	amod	_	_
24	solid	solid	ADJ	JJ	Degree=Pos	25	amod	_	_
25	wheel	wheel	NOUN	NN	Number=Sing	21	obj	_	_
26	that	that	PRON	WDT	PronType=Rel	27	nsubj	_	_
27	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	25	acl:relcl	_	_
28	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	29	nmod:poss	_	_
29	back	back	NOUN	NN	Number=Sing	27	obj	_	_
30	straight	straight	ADJ	JJ	Degree=Pos	27	xcomp	_	_
31	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Hamsters |  |  |  | night | active *property* | tree rules |
| 2 | **run** | present | pouches *= pouch* | many kilometres |  | the wild |  |  | vn run-51.3.2-2-1 «NP V NP PP.trajectory»: agent=Agent kilometre=Theme in wild=Trajectory |
| 3 | **look** | gerund | pouches *= pouch* *not said here* |  |  |  |  | for food | vn rummage-35.5 «NP V PP.location PP.theme»: agent=Agent for food=Theme |
| 4 | **need** | present | a pet | a big solid wheel |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot wheel=Theme |
| 5 | **keep** | present | a big solid wheel | hamster's back |  |  |  | straight *property* | vn keep-15.2 «NP V NP»: agent=Agent back=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:202-hamsters-gerbils-and-pet-rats-and-mice.lesson:5`.

**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): R5-strong ×1, R7-rel-agree ×2. **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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