---
title: Identify the principal reason for which visitors to bear habitats ar… — Bears · tree and pragmatics
description: Identify the principal reason for which visitors to bear habitats are enjoined never to provide food to bears. Exam question 3 of lesson 23 «Bears» of the biology 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 · Bears

<!-- .ven lang=en -->
Identify the principal reason for which visitors to bear habitats are enjoined never to provide food to bears.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** identify, bear, enjoin, not provide · **To what, where:** principal reason, habitats, visitors, food, bears

<!-- .vabout -->
This is exam question 3 of lesson 23 «Bears» 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/23-bears/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:23-bears:e3:1
# text = Identify the principal reason for which visitors to bear habitats are enjoined never to provide food to bears.
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	visitors	visitor	NOUN	NNS	Number=Plur	12	nsubj:pass	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	bear	bear	VERB	VB	VerbForm=Inf	7	acl	_	_
10	habitats	habitat	NOUN	NNS	Number=Plur	9	obj	_	_
11	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	12	aux:pass	_	_
12	enjoined	enjoin	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
13	never	never	ADV	RB	PronType=Neg	15	advmod	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	provide	provide	VERB	VB	VerbForm=Inf	12	advcl	_	_
16	food	food	NOUN	NN	Number=Sing	15	obj	_	_
17	to	to	ADP	IN	_	18	case	_	_
18	bears	bear	NOUN	NNS	Number=Plur	15	obl	_	SpaceAfter=No
19	.	.	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 | **bear** | to-infinitive |  | habitats |  |  |  |  | vn birth-28.2-1-1 «NP V NP»: agent=Agent habitat=Patient |
| 3 | **enjoin** | present · passive |  | visitors |  |  |  | for the principal reason | tree rules |
| 4 | **not** **provide** | to-infinitive |  | food | bears |  |  |  | vn fulfilling-13.4.1-2 «NP V NP PP.recipient»: agent=Agent food=Theme to bear=Recipient |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Bears habituated to human food frequently become dangerous

```conllu
# sent_id = question:biology:23-bears:e3:o1:1
# text = Bears habituated to human food frequently become dangerous
1	Bears	bear	NOUN	NNS	Number=Plur	7	nsubj	_	_
2	habituated	habituate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	acl	_	_
3	to	to	ADP	IN	_	5	case	_	_
4	human	human	ADJ	JJ	Degree=Pos	5	amod	_	_
5	food	food	NOUN	NN	Number=Sing	2	obl	_	_
6	frequently	frequently	ADV	RB	_	7	advmod	_	_
7	become	become	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	dangerous	dangerous	ADJ	JJ	Degree=Pos	7	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **habituate** | participle |  | Bears *not said here* |  |  |  | to human food | tree rules |
| 2 | **become** | present | Bears |  |  |  |  | dangerous, frequently *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Bears are unable to digest any food

```conllu
# sent_id = question:biology:23-bears:e3:o2:1
# text = Bears are unable to digest any food
1	Bears	bear	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	unable	unable	ADJ	JJ	Degree=Pos	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	digest	digest	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	any	any	DET	DT	PronType=Ind	7	det	_	_
7	food	food	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Bears |  |  |  |  | unable *property* | tree rules |
| 2 | **digest** | to-infinitive | Bears *not said here* | any food |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Human food is too costly for the park authorities to provide in quantity

```conllu
# sent_id = question:biology:23-bears:e3:o3:1
# text = Human food is too costly for the park authorities to provide in quantity
1	Human	human	ADJ	JJ	Degree=Pos	2	amod	_	_
2	food	food	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	costly	costly	ADJ	JJ	Degree=Pos	0	root	_	_
6	for	for	SCONJ	IN	_	11	mark	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	park	park	NOUN	NN	Number=Sing	9	compound	_	_
9	authorities	authority	NOUN	NNS	Number=Plur	11	nsubj	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	provide	provide	VERB	VB	VerbForm=Inf	5	advcl	_	_
12	in	in	ADP	IN	_	13	case	_	_
13	quantity	quantity	NOUN	NN	Number=Sing	11	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Human food |  |  |  |  | costly *property* | tree rules |
| 2 | **provide** | to-infinitive | the park authorities |  |  | quantity |  |  | vn ensure-99 «NP V that S»: agent=Precondition |

### Option 4 {#o4}

<!-- .ven lang=en -->
Bears so fed cease to hibernate entirely

```conllu
# sent_id = question:biology:23-bears:e3:o4:1
# text = Bears so fed cease to hibernate entirely
1	Bears	bear	NOUN	NNS	Number=Plur	0	root	_	_
2	so	so	ADV	RB	_	3	advmod	_	_
3	fed	fed	ADJ	JJ	Degree=Pos	4	amod	_	_
4	cease	cease	NOUN	NN	Number=Sing	1	conj	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	hibernate	hibernate	VERB	VB	VerbForm=Inf	1	acl	_	_
7	entirely	entirely	ADV	RB	_	6	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hibernate** | to-infinitive |  |  |  |  |  | entirely *property* | vn fit-54.3 «NP.location V NP»: agent=Location |

<!-- 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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