---
title: Why should two sisters never use the same toothbrush? — Brushing your teeth · tree and pragmatics
description: Why should two sisters never use the same toothbrush? Test 5 · ★ of lesson 73 «Brushing your teeth» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/t5/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/) / [Brushing your teeth](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/) / t5

# Test 5 · ★ · Brushing your teeth

<!-- .ven lang=en -->
Why should two sisters never use the same toothbrush?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** two sisters · **What happens:** not use · **To what, where:** same toothbrush

<!-- .vabout -->
This is test 5 · ★ of lesson 73 «Brushing your teeth» of the everyday 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/everyday/73-brushing-your-teeth/#t5).

## The question {#question}

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:t5:1
# text = Why should two sisters never use the same toothbrush?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	should	should	AUX	MD	VerbForm=Fin	6	aux	_	_
3	two	two	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
4	sisters	sister	NOUN	NNS	Number=Plur	6	nsubj	_	_
5	never	never	ADV	RB	PronType=Neg	6	advmod	_	_
6	use	use	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	same	same	ADJ	JJ	Degree=Pos	9	amod	_	_
9	toothbrush	toothbrush	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **use** | should | two sisters | the same toothbrush |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent toothbrush=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 {#o1}

<!-- .ven lang=en -->
One of them might use too much toothpaste

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:t5:o1:1
# text = One of them might use too much toothpaste
1	One	one	NUM	CD	NumForm=Word|NumType=Card	5	nsubj	_	_
2	of	of	ADP	IN	_	3	case	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	1	nmod	_	_
4	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
5	use	use	VERB	VB	VerbForm=Inf	0	root	_	_
6	too	too	ADV	RB	_	7	advmod	_	_
7	much	much	ADJ	JJ	Degree=Pos	8	amod	_	_
8	toothpaste	toothpaste	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | might | One of them | much toothpaste |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent toothpaste=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It wears out twice as fast and then stops cleaning at all

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:t5:o2:1
# text = It wears out twice as fast and then stops cleaning at all
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	wears	wear	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	out	out	ADP	RP	_	2	compound:prt	_	_
4	twice	twice	ADV	RB	NumForm=Word|NumType=Mult	6	advmod	_	_
5	as	as	ADV	RB	_	6	advmod	_	_
6	fast	fast	ADV	RB	Degree=Pos	2	advmod	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	then	then	ADV	RB	PronType=Dem	9	advmod	_	_
9	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
10	cleaning	clean	VERB	VBG	VerbForm=Ger	9	xcomp	_	_
11	at	at	ADP	IN	_	12	case	_	_
12	all	all	DET	DT	PronType=Tot	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wear out** | present | It |  |  |  |  | fast *property* | vn wipe\_manner-10.4.1-1 «NP V PP-Conative»: agent=Agent |
| 2 | **stop** | present |  |  |  |  | then |  | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality |
| 3 | **clean** | gerund |  |  |  | all |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
It can pass germs and blood from one mouth to the other

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:t5:o3:1
# text = It can pass germs and blood from one mouth to the other
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	pass	pass	VERB	VB	VerbForm=Inf	0	root	_	_
4	germs	germ	NOUN	NNS	Number=Plur	3	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	blood	blood	NOUN	NN	Number=Sing	4	conj	_	_
7	from	from	ADP	IN	_	9	case	_	_
8	one	one	NUM	CD	NumForm=Word|NumType=Card	9	nummod	_	_
9	mouth	mouth	NOUN	NN	Number=Sing	3	obl	_	_
10	to	to	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	other	other	ADJ	JJ	Degree=Pos	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pass** | can | It | germs and blood |  | one mouth |  | to the other | vn send-11.1-1 «NP V NP PP.initial\_location PP.destination»: agent=Agent germ=Theme from mouth=Initial\_Location to other=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
Their teeth are different sizes

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:t5:o4:1
# text = Their teeth are different sizes
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	teeth	tooth	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	different	different	ADJ	JJ	Degree=Pos	5	amod	_	_
5	sizes	size	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Their teeth | different sizes |  |  |  |  | tree rules |

<!-- div src -->

**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.

<!-- /div -->

<!-- pn -->
- ← previous: [Brushing your teeth, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/t4/)
- next →: [Brushing your teeth, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/t6/)
- ↑ back to [Brushing your teeth](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/)