---
title: Ascertain the principal reason for which the hands are washed with s… — Teeth, nails, baths and toilets · tree and pragmatics
description: Ascertain the principal reason for which the hands are washed with soap after use of the toilet. Exam question 4 of lesson 208 «Teeth, nails, baths and toilets» 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 
---

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# Exam question 4 · Teeth, nails, baths and toilets

<!-- .ven lang=en -->
Ascertain the principal reason for which the hands are washed with soap after use of the toilet.

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, wash, use · **To what, where:** principal reason, hands, toilet

<!-- .vabout -->
This is exam question 4 of lesson 208 «Teeth, nails, baths and toilets» 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/208-teeth-nails-baths-and-toilets/#e4).

## The question {#question}

```conllu
# sent_id = question:everyday:208-teeth-nails-baths-and-toilets:e4:1
# text = Ascertain the principal reason for which the hands are washed with soap after use of the toilet.
1	Ascertain	ascertain	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	10	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	hands	hand	NOUN	NNS	Number=Plur	10	nsubj:pass	_	_
9	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	washed	wash	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
11	with	with	ADP	IN	_	12	case	_	_
12	soap	soap	NOUN	NN	Number=Sing	10	obl	_	_
13	after	after	ADP	IN	_	14	case	_	_
14	use	use	NOUN	NN	Number=Sing	10	obl	_	_
15	of	of	ADP	IN	_	17	case	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	toilet	toilet	NOUN	NN	Number=Sing	14	nmod	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the principal reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **wash** | present · passive |  | the hands |  |  | after use of the toilet | for the principal reason; with soap | vn floss-41.2.1 «NP V NP PP.instrument»: subject=Patient with soap=Instrument |
| 3 | **use** |  |  | the toilet |  |  |  |  | nom use «act transitive»: of=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 -->
It is required only in schools

```conllu
# sent_id = question:everyday:208-teeth-nails-baths-and-toilets:e4:o1:1
# text = It is required only in schools
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	schools	school	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **require** | present · passive |  | It |  | schools |  |  | vn require-103-1 «NP V NP»: subject=Precondition |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
It removes the need to wash before meals

```conllu
# sent_id = question:everyday:208-teeth-nails-baths-and-toilets:e4:o2:1
# text = It removes the need to wash before meals
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	removes	remove	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	need	need	NOUN	NN	Number=Sing	2	obj	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	wash	wash	VERB	VB	VerbForm=Inf	2	advcl	_	_
7	before	before	ADP	IN	_	8	case	_	_
8	meals	meal	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remove** | present | It | the need |  |  |  |  | vn fire-10.10 «NP V NP»: agent=Agent need=Theme |
| 2 | **wash** | to-infinitive |  |  |  |  | before meals |  | vn floss-41.2.1 «NP V»: agent=Agent |

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

<!-- .ven lang=en -->
It prevents the spread of germs causing stomach illnesses

```conllu
# sent_id = question:everyday:208-teeth-nails-baths-and-toilets:e4:o3:1
# text = It prevents the spread of germs causing stomach illnesses
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	prevents	prevent	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	spread	spread	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	germs	germ	NOUN	NNS	Number=Plur	4	nmod	_	_
7	causing	cause	VERB	VBG	VerbForm=Ger	6	acl	_	_
8	stomach	stomach	NOUN	NN	Number=Sing	9	compound	_	_
9	illnesses	illness	NOUN	NNS	Number=Plur	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prevent** | present | It | the spread of germs |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer spread=Theme |
| 2 | **cause** | gerund | germs *not said here* | stomach illnesses |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition illness=Patient |
| 3 | **spread** |  |  | germs |  |  |  |  | nom spread «event transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is a custom of long standing without any benefit to health

```conllu
# sent_id = question:everyday:208-teeth-nails-baths-and-toilets:e4:o4:1
# text = It is a custom of long standing without any benefit to health
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	custom	custom	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	long	long	ADJ	JJ	Degree=Pos	7	amod	_	_
7	standing	standing	NOUN	NN	Number=Sing	4	nmod	_	_
8	without	without	ADP	IN	_	10	case	_	_
9	any	any	DET	DT	PronType=Ind	10	det	_	_
10	benefit	benefit	NOUN	NN	Number=Sing	4	nmod	_	_
11	to	to	ADP	IN	_	12	case	_	_
12	health	health	NOUN	NN	Number=Sing	10	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a custom |  |  |  | of long standing; without any benefit to health | 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 -->

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