---
title: Identify the principal reason for which the teeth of a rabbit requir… — Rabbits: hay not carrots, binkies and… · tree and pragmatics
description: Identify the principal reason for which the teeth of a rabbit require regular inspection. Exam question 2 of lesson 200 «Rabbits: hay not carrots, binkies and teeth that never stop growing» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of
---

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# Exam question 2 · Rabbits: hay not carrots, binkies and teeth that never sto…

<!-- .ven lang=en -->
Identify the principal reason for which the teeth of a rabbit require regular inspection.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** you, teeth · **What happens:** identify, require · **To what, where:** principal reason, regular inspection

<!-- .vabout -->
This is exam question 2 of lesson 200 «Rabbits: hay not carrots, binkies and teeth that never stop growing» of the biology 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/biology/200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing:e2:1
# text = Identify the principal reason for which the teeth of a rabbit require regular inspection.
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	12	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	teeth	tooth	NOUN	NNS	Number=Plur	12	nsubj	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	rabbit	rabbit	NOUN	NN	Number=Sing	8	nmod	_	_
12	require	require	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
13	regular	regular	ADJ	JJ	Degree=Pos	14	amod	_	_
14	inspection	inspection	NOUN	NN	Number=Sing	12	obj	_	SpaceAfter=No
15	.	.	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 | **require** | present | the teeth of a rabbit | regular inspection |  |  |  | for the principal reason | vn require-103-1 «NP V NP»: agent=Theme inspection=Precondition |

<!-- .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 -->
They are shed annually

```conllu
# sent_id = question:biology:200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing:e2:o1:1
# text = They are shed annually
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	shed	shed	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	annually	annually	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shed** | present · passive |  | They |  |  |  | annually *property* | vn substance\_emission-43.4-1 «PP.location V NP»: subject=Source |

### Option 2 {#o2}

<!-- .ven lang=en -->
Rabbits possess no teeth at the rear of the mouth

```conllu
# sent_id = question:biology:200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing:e2:o2:1
# text = Rabbits possess no teeth at the rear of the mouth
1	Rabbits	rabbit	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	possess	possess	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	no	no	DET	DT	PronType=Neg	4	det	_	_
4	teeth	tooth	NOUN	NNS	Number=Plur	2	obj	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	rear	rear	NOUN	NN	Number=Sing	2	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	mouth	mouth	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **possess** | present | Rabbits | no teeth |  | the rear of the mouth |  |  | vn own-100.1 «NP V NP»: agent=Pivot tooth=Theme |

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

<!-- .ven lang=en -->
They grow continuously and may become overgrown without sufficient chewing of hay

```conllu
# sent_id = question:biology:200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing:e2:o3:1
# text = They grow continuously and may become overgrown without sufficient chewing of hay
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	continuously	continuously	ADV	RB	_	2	advmod	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	may	may	AUX	MD	VerbForm=Fin	6	aux	_	_
6	become	become	VERB	VB	VerbForm=Inf	2	conj	_	_
7	overgrown	overgrown	ADV	RB	_	6	advmod	_	_
8	without	without	ADP	IN	_	10	case	_	_
9	sufficient	sufficient	ADJ	JJ	Degree=Pos	10	amod	_	_
10	chewing	chewing	NOUN	NN	Number=Sing	6	obl	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	hay	hay	NOUN	NN	Number=Sing	10	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | present | They |  |  |  |  | continuously *property* | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **become** | may | They *not said here* |  |  |  |  | without sufficient chewing of hay; overgrown *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |
| 3 | **chew** |  |  | hay |  |  |  |  | nom chewing «act transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
They are coloured differently each season, the colour indicating the health of the animal

<!-- fold The tree, 14 words -->
```conllu
# sent_id = question:biology:200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing:e2:o4:1
# text = They are coloured differently each season, the colour indicating the health of the animal
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	coloured	colour	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	differently	differently	ADV	RB	_	3	advmod	_	_
5	each	each	DET	DT	PronType=Tot	6	det	_	_
6	season	season	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	colour	colour	NOUN	NN	Number=Sing	6	appos	_	_
10	indicating	indicate	VERB	VBG	VerbForm=Ger	9	acl	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	health	health	NOUN	NN	Number=Sing	10	obj	_	_
13	of	of	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	animal	animal	NOUN	NN	Number=Sing	12	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **colour** | present · passive |  | They |  |  | season | differently *property* | tree rules |
| 2 | **indicate** | gerund | the colour *not said here* | the health of the animal |  |  |  |  | vn indicate-78-1 «NP V NP»: agent=Pivot health=Topic |

<!-- 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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- ← previous: [Rabbits: hay not carrots, binkies and…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing/e1/)
- next →: [Rabbits: hay not carrots, binkies and…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing/e3/)
- ↑ back to [Rabbits: hay not carrots, binkies and teeth that never stop growing](https://md.mova.elamur.ai/free/en/corpora/questions/biology/200-rabbits-hay-not-carrots-binkies-and-teeth-that-never-stop-growing/)