---
title: «why'd they bring wolves back, wolves just kill stuff» How can a pre… — Conservation: how people help animals… · tree and pragmatics
description: «why'd they bring wolves back, wolves just kill stuff» How can a predator help plants? Test 3 · ★ of lesson 78 «Conservation: how people help animals come back» 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 w
---

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# Test 3 · ★ · Conservation: how people help animals come back

<!-- .ven lang=en -->
«why'd they bring wolves back, wolves just kill stuff» How can a predator help plants?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **Who acts:** they, wolves · **What happens:** bring back, kill · **To what, where:** wolves, stuff

<!-- .vabout -->
This is test 3 · ★ of lesson 78 «Conservation: how people help animals come back» 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/78-conservation-animals-come-back/#t3).

## The question {#question}

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t3:1
# text = «why'd they bring wolves back, wolves just kill stuff» How can a predator help plants?
1	«	«	PUNCT	``	_	5	punct	_	SpaceAfter=No
2	why	why	ADV	WRB	PronType=Int	5	advmod	_	SpaceAfter=No
3	'd	would	AUX	MD	VerbForm=Fin	5	aux	_	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	5	nsubj	_	_
5	bring	bring	VERB	VB	VerbForm=Inf	0	root	_	_
6	wolves	wolf	NOUN	NNS	Number=Plur	5	obj	_	_
7	back	back	ADV	RB	_	5	advmod	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	wolves	wolf	NOUN	NNS	Number=Plur	11	nsubj	_	_
10	just	just	ADV	RB	_	11	advmod	_	_
11	kill	kill	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
12	stuff	stuff	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
13	»	»	PUNCT	''	_	11	punct	_	_
14	How	how	ADV	WRB	PronType=Int	15	advmod	_	_
15	can	can	AUX	MD	VerbForm=Fin	11	advcl	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
17	predator	predator	NOUN	NN	Number=Sing	18	compound	_	_
18	help	help	NOUN	NN	Number=Sing	19	compound	_	_
19	plants	plant	NOUN	NNS	Number=Plur	15	nsubj	_	SpaceAfter=No
20	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bring back** *in a quote* | would | they | wolves |  |  |  |  | vn bring-11.3-1 «NP V NP together»: agent=Agent wolf=Theme |
| 2 | **kill** *in a quote* | present | wolves | stuff |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent stuff=Theme |

<!-- .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 -->
Wolves eat weeds that choke the trees

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t3:o1:1
# text = Wolves eat weeds that choke the trees
1	Wolves	wolf	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	weeds	weed	NOUN	NNS	Number=Plur	2	obj	_	_
4	that	that	PRON	WDT	PronType=Rel	5	nsubj	_	_
5	choke	choke	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	trees	tree	NOUN	NNS	Number=Plur	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | Wolves | weeds |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent weed=Patient |
| 2 | **choke** | present | weeds | the trees |  |  |  |  | vn fill-9.8 «NP V NP»: agent=Theme tree=Destination |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Elk changed where they grazed, so some riverside trees grew again

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t3:o2:1
# text = Elk changed where they grazed, so some riverside trees grew again
1	Elk	elk	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	changed	change	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	where	where	ADV	WRB	PronType=Rel	5	advmod	_	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	5	nsubj	_	_
5	grazed	graze	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	advcl	_	SpaceAfter=No
6	,	,	PUNCT	,	_	11	punct	_	_
7	so	so	ADV	RB	_	11	advmod	_	_
8	some	some	DET	DT	PronType=Ind	10	det	_	_
9	riverside	riverside	NOUN	NN	Number=Sing	10	compound	_	_
10	trees	tree	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	grew	grow	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	conj	_	_
12	again	again	ADV	RB	_	11	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | past | Elk |  |  |  |  |  | vn dress-41.1.1-1-1 «NP V»: agent=Agent |
| 2 | **graze** | past | Elk |  |  |  |  |  | vn dine-39.5 «NP V»: agent=Agent |
| 3 | **grow** | past | some riverside trees |  |  |  | again |  | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Wolves scare away the rain

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t3:o3:1
# text = Wolves scare away the rain
1	Wolves	wolf	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	scare	scare	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	away	away	ADV	RB	_	2	advmod	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	rain	rain	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **scare away** | present | Wolves | the rain |  |  |  | away *property* | vn amuse-31.1 «NP V NP»: agent=Stimulus rain=Experiencer |

### Option 4 {#o4}

<!-- .ven lang=en -->
Wolves dig holes with their paws and bury seeds, which grow into trees

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t3:o4:1
# text = Wolves dig holes with their paws and bury seeds, which grow into trees
1	Wolves	wolf	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	dig	dig	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	holes	hole	NOUN	NNS	Number=Plur	2	obj	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	paws	paw	NOUN	NNS	Number=Plur	2	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	bury	bury	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
9	seeds	seed	NOUN	NNS	Number=Plur	8	obj	_	SpaceAfter=No
10	,	,	PUNCT	,	_	12	punct	_	_
11	which	which	PRON	WDT	PronType=Rel	12	nsubj	_	_
12	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	_
13	into	into	ADP	IN	_	14	case	_	_
14	trees	tree	NOUN	NNS	Number=Plur	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dig** | present | Wolves | holes |  |  |  | with Wolves's paws | vn poke-19-1-1-1 «NP V NP.theme PP.instsrument»: agent=Agent hole=Theme with paw=Instrument |
| 2 | **bury** | present | Wolves *not said here* | seeds |  |  |  |  | vn put-9.1-1 «NP V NP»: agent=Agent seed=Theme |
| 3 | **grow** | present | seeds |  |  |  |  | into trees *result* | vn become-109.1-1 «NP V PP.attribute»: agent=Patient into tree=Result |

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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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