---
title: Why should you wash your hands after cleaning a pet mouse's cage? — How real mice survive: squeezing, clim… · tree and pragmatics
description: Why should you wash your hands after cleaning a pet mouse's cage? Test 3 of lesson 120 «How real mice survive: squeezing, climbing and hiding» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 3 · How real mice survive: squeezing, climbing and hiding

<!-- .ven lang=en -->
Why should you wash your hands after cleaning a pet mouse's cage?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** wash, clean · **To what, where:** hands, cage

<!-- .vabout -->
This is test 3 of lesson 120 «How real mice survive: squeezing, climbing and hiding» 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/120-how-real-mice-survive/#t3).

## The question {#question}

```conllu
# sent_id = question:biology:120-how-real-mice-survive:t3:1
# text = Why should you wash your hands after cleaning a pet mouse's cage?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	should	should	AUX	MD	VerbForm=Fin	4	aux	_	_
3	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	_	_
4	wash	wash	VERB	VB	VerbForm=Inf	0	root	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	hands	hand	NOUN	NNS	Number=Plur	4	obj	_	_
7	after	after	SCONJ	IN	_	8	mark	_	_
8	cleaning	clean	VERB	VBG	Tense=Pres|VerbForm=Part	4	advcl	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	pet	pet	NOUN	NN	Number=Sing	11	compound	_	_
11	mouse	mouse	NOUN	NN	Number=Sing	13	nmod:poss	_	SpaceAfter=No
12	's	's	PART	POS	_	11	case	_	_
13	cage	cage	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
14	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wash** | should | you | your hands |  |  |  |  | vn floss-41.2.1 «NP V NP»: agent=Agent hand=Patient |
| 2 | **clean** | gerund | you *not said here* | a pet mouse's cage |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent cage=Patient |

<!-- .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 -->
Mice and their droppings can carry germs

```conllu
# sent_id = question:biology:120-how-real-mice-survive:t3:o1:1
# text = Mice and their droppings can carry germs
1	Mice	mouse	NOUN	NNS	Number=Plur	6	nsubj	_	_
2	and	and	CCONJ	CC	_	4	cc	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	droppings	dropping	NOUN	NNS	Number=Plur	1	conj	_	_
5	can	can	AUX	MD	VerbForm=Fin	6	aux	_	_
6	carry	carry	VERB	VB	VerbForm=Inf	0	root	_	_
7	germs	germ	NOUN	NNS	Number=Plur	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | can | Mice and Mice's droppings | germs |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent germ=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It makes the mouse happy

```conllu
# sent_id = question:biology:120-how-real-mice-survive:t3:o2:1
# text = It makes the mouse happy
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	mouse	mouse	NOUN	NN	Number=Sing	2	obj	_	_
5	happy	happy	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the mouse |  |  |  | happy *property* | vn build-26.1-1 «NP.material V NP»: agent=Material mouse=Product |

### Option 3 {#o3}

<!-- .ven lang=en -->
The cage is made of poison

```conllu
# sent_id = question:biology:120-how-real-mice-survive:t3:o3:1
# text = The cage is made of poison
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cage	cage	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	poison	poison	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | the cage |  |  |  | of poison | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 4 {#o4}

<!-- .ven lang=en -->
Mouse fur makes your hands too soft

```conllu
# sent_id = question:biology:120-how-real-mice-survive:t3:o4:1
# text = Mouse fur makes your hands too soft
1	Mouse	mouse	NOUN	NN	Number=Sing	2	compound	_	_
2	fur	fur	NOUN	NN	Number=Sing	3	nsubj	_	_
3	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	hands	hand	NOUN	NNS	Number=Plur	3	obj	_	_
6	too	too	ADV	RB	_	7	advmod	_	_
7	soft	soft	ADJ	JJ	Degree=Pos	3	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Mouse fur | your hands |  |  |  | soft *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset hand=Product |

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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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