---
title: Why would a big grazing animal like the European bison help a forest? — Back to the wild: animals that zoos re… · tree and pragmatics
description: Why would a big grazing animal like the European bison help a forest? Test 7 · ★ of lesson 114 «Back to the wild: animals that zoos returned to nature» 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 wrong.
---

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# Test 7 · ★ · Back to the wild: animals that zoos returned to nature

<!-- .ven lang=en -->
Why would a big grazing animal like the European bison help a forest?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** big grazing animal · **What happens:** help · **To what, where:** forest

<!-- .vabout -->
This is test 7 · ★ of lesson 114 «Back to the wild: animals that zoos returned to nature» of the biology course of Mova's primary school. 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/114-back-to-the-wild/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:114-back-to-the-wild:t7:1
# text = Why would a big grazing animal like the European bison help a forest?
1	Why	why	ADV	WRB	PronType=Int	11	advmod	_	_
2	would	would	AUX	MD	VerbForm=Fin	11	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	big	big	ADJ	JJ	Degree=Pos	6	amod	_	_
5	grazing	grazing	NOUN	NN	Number=Sing	6	compound	_	_
6	animal	animal	NOUN	NN	Number=Sing	11	nsubj	_	_
7	like	like	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	European	European	ADJ	JJ	Degree=Pos	10	amod	_	_
10	bison	bison	NOUN	NN	Number=Sing	6	nmod	_	_
11	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	forest	forest	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
14	?	?	PUNCT	.	_	11	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | would | a big grazing animal like the European bison | a forest |  |  |  |  | vn help-72.1-1-1 «NP V NP»: agent=Agent forest=Beneficiary |

<!-- .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 -->
Bison plant new trees all over the forest by digging holes with their big curved horns

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:biology:114-back-to-the-wild:t7:o1:1
# text = Bison plant new trees all over the forest by digging holes with their big curved horns
1	Bison	bison	NOUN	NN	Number=Sing	2	compound	_	_
2	plant	plant	NOUN	NN	Number=Sing	4	compound	_	_
3	new	new	ADJ	JJ	Degree=Pos	4	amod	_	_
4	trees	tree	NOUN	NNS	Number=Plur	8	nsubj	_	_
5	all	all	ADV	RB	_	8	advmod	_	_
6	over	over	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	forest	forest	NOUN	NN	Number=Sing	0	root	_	_
9	by	by	SCONJ	IN	_	10	mark	_	_
10	digging	dig	VERB	VBG	VerbForm=Ger	8	acl	_	_
11	holes	hole	NOUN	NNS	Number=Plur	10	obj	_	_
12	with	with	ADP	IN	_	16	case	_	_
13	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
14	big	big	ADJ	JJ	Degree=Pos	16	amod	_	_
15	curved	curve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	amod	_	_
16	horns	horn	NOUN	NNS	Number=Plur	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dig** | gerund | the forest *not said here* | holes |  |  |  | with trees's big curved horns | vn poke-19-1-1-1 «NP V NP.theme PP.instsrument»: agent=Agent hole=Theme with horn=Instrument |
| 2 | **curve** | participle |  |  |  |  |  |  | vn knead-26.5 «NP.material V PP.product»: agent=Material |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Bison keep the forest dark

```conllu
# sent_id = question:biology:114-back-to-the-wild:t7:o2:1
# text = Bison keep the forest dark
1	Bison	bison	NOUN	NN	Number=Sing	2	nsubj	_	_
2	keep	keep	VERB	VB	VerbForm=Inf	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	forest	forest	NOUN	NN	Number=Sing	2	obj	_	_
5	dark	dark	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | infinitive | Bison | the forest |  |  |  | dark *property* | vn keep-15.2 «NP V NP»: agent=Agent forest=Theme |

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

<!-- .ven lang=en -->
Grazing and trampling open up clearings where other plants and animals can live

```conllu
# sent_id = question:biology:114-back-to-the-wild:t7:o3:1
# text = Grazing and trampling open up clearings where other plants and animals can live
1	Grazing	grazing	NOUN	NN	Number=Sing	4	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	trampling	trampling	NOUN	NN	Number=Sing	1	conj	_	_
4	open	open	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	up	up	ADP	RP	_	4	compound:prt	_	_
6	clearings	clearing	NOUN	NNS	Number=Plur	4	obj	_	_
7	where	where	ADV	WRB	PronType=Rel	13	advmod	_	_
8	other	other	ADJ	JJ	Degree=Pos	9	amod	_	_
9	plants	plant	NOUN	NNS	Number=Plur	13	nsubj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	animals	animal	NOUN	NNS	Number=Plur	9	conj	_	_
12	can	can	AUX	MD	VerbForm=Fin	13	aux	_	_
13	live	live	VERB	VB	VerbForm=Inf	6	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **open up** | present | Grazing and trampling | clearings |  |  |  |  | vn establish-55.5-1 «NP V NP»: agent=Agent clearing=Patient |
| 2 | **live** | can | other plants and animals |  |  |  |  |  | vn exist-47.1-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Bison eat all the insects

```conllu
# sent_id = question:biology:114-back-to-the-wild:t7:o4:1
# text = Bison eat all the insects
1	Bison	bison	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	all	all	DET	PDT	PronType=Tot	5	det:predet	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	insects	insect	NOUN	NNS	Number=Plur	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | Bison | all insects |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent insect=Patient |

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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.

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