---
title: What would happen to young willow trees by a river if all the wolves… — Wolves in Yellowstone, beavers in Brit… · tree and pragmatics
description: What would happen to young willow trees by a river if all the wolves were taken away again? Test 5 · ★ of lesson 283 «Wolves in Yellowstone, beavers in Britain and bringing nature back» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of eac
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/t5/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [Wolves in Yellowstone, beavers in Brit…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/) / t5

# Test 5 · ★ · Wolves in Yellowstone, beavers in Britain and bringing nat…

<!-- .ven lang=en -->
What would happen to young willow trees by a river if all the wolves were taken away again?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** happen, take away · **To what, where:** wolves

<!-- .vabout -->
This is test 5 · ★ of lesson 283 «Wolves in Yellowstone, beavers in Britain and bringing nature 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/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/#t5).

## The question {#question}

```conllu
# sent_id = question:biology:283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back:t5:1
# text = What would happen to young willow trees by a river if all the wolves were taken away again?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	7	case	_	_
5	young	young	ADJ	JJ	Degree=Pos	7	amod	_	_
6	willow	willow	NOUN	NN	Number=Sing	7	compound	_	_
7	trees	tree	NOUN	NNS	Number=Plur	3	obl	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	river	river	NOUN	NN	Number=Sing	3	obl	_	_
11	if	if	SCONJ	IN	_	16	mark	_	_
12	all	all	DET	PDT	PronType=Tot	14	det:predet	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	wolves	wolf	NOUN	NNS	Number=Plur	16	nsubj:pass	_	_
15	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	16	aux:pass	_	_
16	taken	take	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
17	away	away	ADV	RB	_	16	advmod	_	_
18	again	again	ADV	RB	_	16	advmod	_	SpaceAfter=No
19	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  | to young willow trees; by a river | vn occur-48.3-1 «NP V PP»: agent=Theme by river=Location |
| 2 | **take away** *a condition, not said to happen* | past · passive |  | all wolves |  |  | again | away *property* | vn remove-10.1 «NP V NP»: subject=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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The rivers would dry up the very next day and the trees would all die

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back:t5:o1:1
# text = The rivers would dry up the very next day and the trees would all die
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rivers	river	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	dry	dry	VERB	VB	VerbForm=Inf	0	root	_	_
5	up	up	ADP	RP	_	4	compound:prt	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
7	very	very	ADV	RB	_	8	advmod	_	_
8	next	next	ADJ	JJ	Degree=Pos	9	amod	_	_
9	day	day	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
10	and	and	CCONJ	CC	_	15	cc	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	trees	tree	NOUN	NNS	Number=Plur	15	nsubj	_	_
13	would	would	AUX	MD	VerbForm=Fin	15	aux	_	_
14	all	all	ADV	RB	_	15	advmod	_	_
15	die	die	VERB	VB	VerbForm=Inf	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dry up** | would | the rivers |  |  |  | day |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 2 | **die** | would | the trees |  |  |  |  | all *property* | vn calibratable\_cos-45.6.1 «NP.attribute V»: agent=Attribute |

### Option 2 {#o2}

<!-- .ven lang=en -->
The trees would grow faster

```conllu
# sent_id = question:biology:283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back:t5:o2:1
# text = The trees would grow faster
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trees	tree	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
5	faster	fast	ADV	RBR	Degree=Cmp	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | would | the trees |  |  |  |  | fast *property* | vn appear-48.1.1 «NP V»: agent=Theme |

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

<!-- .ven lang=en -->
Elk would graze there more and many young trees might be eaten

```conllu
# sent_id = question:biology:283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back:t5:o3:1
# text = Elk would graze there more and many young trees might be eaten
1	Elk	elk	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	graze	graze	VERB	VB	VerbForm=Inf	0	root	_	_
4	there	there	ADV	RB	PronType=Dem	3	advmod	_	_
5	more	more	ADJ	JJR	Degree=Cmp	3	obj	_	_
6	and	and	CCONJ	CC	_	12	cc	_	_
7	many	many	ADJ	JJ	Degree=Pos	9	amod	_	_
8	young	young	ADJ	JJ	Degree=Pos	9	amod	_	_
9	trees	tree	NOUN	NNS	Number=Plur	12	nsubj:pass	_	_
10	might	might	AUX	MD	VerbForm=Fin	12	aux	_	_
11	be	be	AUX	VB	VerbForm=Inf	12	aux:pass	_	_
12	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **graze** | would | Elk | more |  | there |  |  | vn touch-20-1 «NP V NP»: agent=Agent more=Experiencer |
| 2 | **eat** | might · passive |  | many young trees |  |  |  |  | vn eat-39.1-1 «NP V NP»: subject=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The trees would turn into aspens

```conllu
# sent_id = question:biology:283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back:t5:o4:1
# text = The trees would turn into aspens
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trees	tree	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
5	into	into	ADP	IN	_	6	case	_	_
6	aspens	aspen	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | would | the trees |  |  | aspens |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into aspen=Trajectory |

<!-- 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 -->

<!-- pn -->
- ← previous: [Wolves in Yellowstone, beavers in Brit…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/t4/)
- next →: [Wolves in Yellowstone, beavers in Brit…, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/t6/)
- ↑ back to [Wolves in Yellowstone, beavers in Britain and bringing nature back](https://md.mova.elamur.ai/free/en/corpora/questions/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/)