---
title: Select the response that is consistent with the established facts co… — Balance in a food web · tree and pragmatics
description: Select the response that is consistent with the established facts concerning the return of wolves to Yellowstone Park. Exam question 4 of lesson 30 «Balance in a food web» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's
---

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# Exam question 4 · Balance in a food web

<!-- .ven lang=en -->
Select the response that is consistent with the established facts concerning the return of wolves to Yellowstone Park.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you, response, established facts, wolves · **What happens:** select, be, establish, concern, return · **To what, where:** response, return

<!-- .vabout -->
This is exam question 4 of lesson 30 «Balance in a food web» 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/30-balance-in-food-webs/#e4).

## The question {#question}

```conllu
# sent_id = question:world:30-balance-in-food-webs:e4:1
# text = Select the response that is consistent with the established facts concerning the return of wolves to Yellowstone Park.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	consistent	consistent	ADJ	JJ	Degree=Pos	3	acl:relcl	_	_
7	with	with	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	amod	_	_
10	facts	fact	NOUN	NNS	Number=Plur	6	obl	_	_
11	concerning	concern	VERB	VBG	VerbForm=Ger	10	acl	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	return	return	NOUN	NN	Number=Sing	11	obj	_	_
14	of	of	ADP	IN	_	15	case	_	_
15	wolves	wolf	NOUN	NNS	Number=Plur	13	nmod	_	_
16	to	to	ADP	IN	_	18	case	_	_
17	Yellowstone	Yellowstone	PROPN	NNP	Number=Sing	18	compound	_	_
18	Park	Park	PROPN	NNP	Number=Sing	13	nmod	_	SpaceAfter=No
19	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **is** | present | the response |  |  |  |  | with the established facts; consistent *property* | tree rules |
| 3 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |
| 4 | **concern** | gerund | the established facts *not said here* | the return of wolves |  |  |  | to Yellowstone Park | vn amuse-31.1 «NP V NP»: agent=Stimulus return=Experiencer |
| 5 | **return** |  | wolves |  |  |  |  | to Yellowstone Park | nom return «communication intransitive»: of=agent to=obl |

<!-- .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 {#o1}

<!-- .ven lang=en -->
The wolves consumed the trees

```conllu
# sent_id = question:world:30-balance-in-food-webs:e4:o1:1
# text = The wolves consumed the trees
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	wolves	wolf	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	consumed	consume	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	trees	tree	NOUN	NNS	Number=Plur	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **consume** | past | the wolves | the trees |  |  |  |  | vn consume-66 «NP V NP»: agent=Agent tree=Asset |

### Option 2 {#o2}

<!-- .ven lang=en -->
The deer increased and the trees perished along the riverbanks

```conllu
# sent_id = question:world:30-balance-in-food-webs:e4:o2:1
# text = The deer increased and the trees perished along the riverbanks
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	deer	deer	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	increased	increase	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	trees	tree	NOUN	NNS	Number=Plur	3	obj	_	_
7	perished	perish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	along	along	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	riverbanks	riverbank	NOUN	NNS	Number=Plur	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | past | the deer | the trees |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer tree=Patient |
| 2 | **perish** | participle |  | the trees *not said here* |  |  |  | along the riverbanks | vn break\_down-45.8 «NP V»: agent=Patient |

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

<!-- .ven lang=en -->
The deer were reduced and the riverside trees recovered

```conllu
# sent_id = question:world:30-balance-in-food-webs:e4:o3:1
# text = The deer were reduced and the riverside trees recovered
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	deer	deer	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	reduced	reduce	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	and	and	CCONJ	CC	_	9	cc	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	riverside	riverside	NOUN	NN	Number=Sing	8	compound	_	_
8	trees	tree	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	recovered	recover	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reduce** | past · passive |  | the deer |  |  |  |  | vn limit-76 «NP V NP»: subject=Patient |
| 2 | **recover** | past | the riverside trees |  |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The rivers dried up entirely

```conllu
# sent_id = question:world:30-balance-in-food-webs:e4:o4:1
# text = The rivers dried up entirely
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rivers	river	NOUN	NNS	Number=Plur	0	root	_	_
3	dried	dry	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	entirely	entirely	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dry up** | participle |  | the rivers *not said here* |  |  |  | entirely *property* | vn other\_cos-45.4-1 «NP.patient V»: agent=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.

<!-- /div -->

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- ← previous: [Balance in a food web, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/e3/)
- next →: [The skeleton and muscles, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/31-skeleton-and-muscles/t1/)
- ↑ back to [Balance in a food web](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/)