---
title: Why does cutting down large forests harm the air? — Caring for the environment · tree and pragmatics
description: Why does cutting down large forests harm the air? Test 7 of lesson 57 «Caring for the environment» of the world 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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# Test 7 · Caring for the environment

<!-- .ven lang=en -->
Why does cutting down large forests harm the air?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** large forests · **What happens:** cut down, harm · **To what, where:** air

<!-- .vabout -->
This is test 7 of lesson 57 «Caring for the environment» of the world 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/world/57-environment/#t7).

## The question {#question}

```conllu
# sent_id = question:world:57-environment:t7:1
# text = Why does cutting down large forests harm the air?
1	Why	why	ADV	WRB	PronType=Int	3	advmod	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	cutting	cut	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	down	down	ADV	RB	_	3	compound:prt	_	_
5	large	large	ADJ	JJ	Degree=Pos	6	amod	_	_
6	forests	forest	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	harm	harm	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	air	air	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cut down** | present · do-support |  |  |  |  |  |  | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |
| 2 | **harm** | present | large forests | the air |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus air=Experiencer |

<!-- .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 -->
Fewer trees are left to take in carbon dioxide

```conllu
# sent_id = question:world:57-environment:t7:o1:1
# text = Fewer trees are left to take in carbon dioxide
1	Fewer	few	ADJ	JJR	Degree=Cmp	2	amod	_	_
2	trees	tree	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	take	take	VERB	VB	VerbForm=Inf	4	advcl	_	_
7	in	in	ADP	RP	_	6	compound:prt	_	_
8	carbon	carbon	NOUN	NN	Number=Sing	9	compound	_	_
9	dioxide	dioxide	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | present · passive |  | Fewer trees |  |  |  |  | vn keep-15.2 «NP V NP»: subject=Theme |
| 2 | **take in** | to-infinitive |  | carbon dioxide |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent dioxide=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Forests stop the wind

```conllu
# sent_id = question:world:57-environment:t7:o2:1
# text = Forests stop the wind
1	Forests	forest	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	wind	wind	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | Forests | the wind |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality wind=Eventuality |

### Option 3 {#o3}

<!-- .ven lang=en -->
Trees make the air dirty

```conllu
# sent_id = question:world:57-environment:t7:o3:1
# text = Trees make the air dirty
1	Trees	tree	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	air	air	NOUN	NN	Number=Sing	2	obj	_	_
5	dirty	dirty	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Trees | the air |  |  |  | dirty *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset air=Product |

### Option 4 {#o4}

<!-- .ven lang=en -->
Cut trees release clean water that rains on cities

```conllu
# sent_id = question:world:57-environment:t7:o4:1
# text = Cut trees release clean water that rains on cities
1	Cut	cut	ADJ	JJ	Degree=Pos	2	amod	_	_
2	trees	tree	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	release	release	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	clean	clean	ADJ	JJ	Degree=Pos	5	amod	_	_
5	water	water	NOUN	NN	Number=Sing	3	obj	_	_
6	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	rains	rain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
8	on	on	ADP	IN	_	9	case	_	_
9	cities	city	NOUN	NNS	Number=Plur	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **release** | present | Cut trees | clean water |  |  |  |  | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer water=Source |
| 2 | **rain** | present | clean water |  |  | cities |  |  | vn weather-57 «It V PP.theme» |

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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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- ← previous: [Caring for the environment, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/world/57-environment/t6/)
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