---
title: Which of the following statements most accurately characterises enam… — Teeth and their care · tree and pragmatics
description: Which of the following statements most accurately characterises enamel? Exam question 3 of lesson 35 «Teeth and their care» of the world 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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# Exam question 3 · Teeth and their care

<!-- .ven lang=en -->
Which of the following statements most accurately characterises enamel?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **What happens:** follow, characteris · **To what, where:** enamel

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This is exam question 3 of lesson 35 «Teeth and their care» of the world 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/world/35-teeth-and-care/#e3).

## The question {#question}

```conllu
# sent_id = question:world:35-teeth-and-care:e3:1
# text = Which of the following statements most accurately characterises enamel?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	enamel	enamel	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | enamel |  |  |  | of the following statements; accurately *property* | tree rules |

<!-- .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 the softest layer of the tooth

```conllu
# sent_id = question:world:35-teeth-and-care:e3:o1:1
# text = It is the softest layer of the tooth
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	softest	soft	ADJ	JJS	Degree=Sup	5	amod	_	_
5	layer	layer	NOUN	NN	Number=Sing	0	root	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	tooth	tooth	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the softest layer |  |  |  | of the tooth | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is a living tissue that regrows when it is chipped

```conllu
# sent_id = question:world:35-teeth-and-care:e3:o2:1
# text = It is a living tissue that regrows when it is chipped
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	living	living	NOUN	NN	Number=Sing	5	compound	_	_
5	tissue	tissue	NOUN	NN	Number=Sing	0	root	_	_
6	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	regrows	regrow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
8	when	when	ADV	WRB	PronType=Int	11	advmod	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	nsubj:pass	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
11	chipped	chip	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	ccomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a living tissue |  |  |  |  | tree rules |
| 2 | **regrow** | present | a living tissue |  |  |  |  |  | tree rules |
| 3 | **chip** | present · passive |  | tissue |  |  |  |  | vn break-45.1 «NP V NP»: subject=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is a substance contained in toothpaste

```conllu
# sent_id = question:world:35-teeth-and-care:e3:o3:1
# text = It is a substance contained in toothpaste
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	substance	substance	NOUN	NN	Number=Sing	0	root	_	_
5	contained	contain	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	toothpaste	toothpaste	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a substance |  |  |  |  | tree rules |
| 2 | **contain** | participle |  | a substance *not said here* |  | toothpaste |  |  | vn fit-54.3 «NP V NP PP.location»: agent=Agent in toothpaste=Location |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
It is the hardest material in the human body

```conllu
# sent_id = question:world:35-teeth-and-care:e3:o4:1
# text = It is the hardest material in the human body
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	hardest	hard	ADJ	JJS	Degree=Sup	5	amod	_	_
5	material	material	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	human	human	ADJ	JJ	Degree=Pos	9	amod	_	_
9	body	body	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the hardest material |  | the human body |  |  | tree rules |

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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.

<!-- /div -->

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- ← previous: [Teeth and their care, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/35-teeth-and-care/e2/)
- next →: [Teeth and their care, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/35-teeth-and-care/e4/)
- ↑ back to [Teeth and their care](https://md.mova.elamur.ai/free/en/corpora/questions/world/35-teeth-and-care/)

