---
title: Identify the principal reason for which the bedtime brushing of teet… — Brushing your teeth · tree and pragmatics
description: Identify the principal reason for which the bedtime brushing of teeth is deemed the most important of the day. Exam question 1 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
---

<!-- 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/e1/)

<!-- 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/) / e1

# Exam question 1 · Brushing your teeth

<!-- .ven lang=en -->
Identify the principal reason for which the bedtime brushing of teeth is deemed the most important of the day.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** identify, deem · **To what, where:** principal reason, bedtime brushing

<!-- .vabout -->
This is exam question 1 of lesson 73 «Brushing your teeth» of the everyday course of Mova's primary school, asked in stiff, formal language. 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/#e1).

## The question {#question}

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:e1:1
# text = Identify the principal reason for which the bedtime brushing of teeth is deemed the most important of the day.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	13	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	bedtime	bedtime	NOUN	NN	Number=Sing	9	compound	_	_
9	brushing	brushing	NOUN	NN	Number=Sing	13	nsubj:pass	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	teeth	tooth	NOUN	NNS	Number=Plur	9	nmod	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	aux:pass	_	_
13	deemed	deem	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	most	most	ADV	RBS	Degree=Sup	16	advmod	_	_
16	important	important	ADJ	JJ	Degree=Pos	13	conj	_	_
17	of	of	ADP	IN	_	19	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	day	day	NOUN	NN	Number=Sing	16	obl	_	SpaceAfter=No
20	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **deem** | present · passive |  | the bedtime brushing of teeth |  |  |  | for the principal reason | vn consider-29.9-1 «NP V NP PP.attribute»: subject=Attribute |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Germs are asleep at night and easily removed

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:e1:o1:1
# text = Germs are asleep at night and easily removed
1	Germs	germ	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	asleep	asleep	ADJ	JJ	Degree=Pos	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	night	night	NOUN	NN	Number=Sing	3	obl	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	easily	easily	ADV	RB	_	8	advmod	_	_
8	removed	remove	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Germs |  |  |  | night | asleep *property* | tree rules |
| 2 | **remove** | participle | Germs *not said here* |  |  |  |  | easily *property* | vn fire-10.10 «NP V NP»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
Teeth are softer at night and easier to clean

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:e1:o2:1
# text = Teeth are softer at night and easier to clean
1	Teeth	tooth	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	softer	soft	ADJ	JJR	Degree=Cmp	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	night	night	NOUN	NN	Number=Sing	3	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	easier	easy	ADJ	JJR	Degree=Cmp	3	conj	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	clean	clean	VERB	VB	VerbForm=Inf	7	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Teeth |  |  |  | night | soft *property* | tree rules |
| 2 | **be** |  | Teeth *not said here* |  |  |  |  |  | tree rules |
| 3 | **clean** | to-infinitive | Teeth *not said here* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Less saliva is present during sleep to protect the teeth

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:e1:o3:1
# text = Less saliva is present during sleep to protect the teeth
1	Less	less	ADJ	JJR	Degree=Cmp	2	amod	_	_
2	saliva	saliva	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	present	present	ADJ	JJ	Degree=Pos	0	root	_	_
5	during	during	ADP	IN	_	6	case	_	_
6	sleep	sleep	NOUN	NN	Number=Sing	4	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	protect	protect	VERB	VB	VerbForm=Inf	4	advcl	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	teeth	tooth	NOUN	NNS	Number=Plur	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Less saliva |  |  |  | during sleep | present *property* | tree rules |
| 2 | **protect** | to-infinitive | Less saliva *not said here* | the teeth |  |  |  |  | vn defend-72.3 «NP V NP»: agent=Agent tooth=Beneficiary |

### Option 4 {#o4}

<!-- .ven lang=en -->
Toothpaste is effective solely in the dark

```conllu
# sent_id = question:everyday:73-brushing-your-teeth:e1:o4:1
# text = Toothpaste is effective solely in the dark
1	Toothpaste	toothpaste	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	effective	effective	ADJ	JJ	Degree=Pos	0	root	_	_
4	solely	solely	ADV	RB	_	3	advmod	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	dark	dark	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Toothpaste |  |  | the dark |  | effective, solely *property* | 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 19](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/t19/)
- next →: [Brushing your teeth, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/e2/)
- ↑ back to [Brushing your teeth](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/73-brushing-your-teeth/)