---
title: Why is it a good idea to recycle aluminium cans rather than make new… — Caring for the environment · tree and pragmatics
description: Why is it a good idea to recycle aluminium cans rather than make new ones? Test 2 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 2 · Caring for the environment

<!-- .ven lang=en -->
Why is it a good idea to recycle aluminium cans rather than make new ones?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **What happens:** be, recycle, make · **To what, where:** good idea, aluminium cans, new ones

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This is test 2 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/#t2).

## The question {#question}

```conllu
# sent_id = question:world:57-environment:t2:1
# text = Why is it a good idea to recycle aluminium cans rather than make new ones?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	expl	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	good	good	ADJ	JJ	Degree=Pos	6	amod	_	_
6	idea	idea	NOUN	NN	Number=Sing	0	root	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	recycle	recycle	VERB	VB	VerbForm=Inf	6	acl	_	_
9	aluminium	aluminium	NOUN	NN	Number=Sing	10	compound	_	_
10	cans	can	NOUN	NNS	Number=Plur	8	obj	_	_
11	rather	rather	ADV	RB	ExtPos=CCONJ	13	cc	_	_
12	than	than	ADP	IN	_	11	fixed	_	_
13	make	make	VERB	VB	VerbForm=Inf	8	conj	_	_
14	new	new	ADJ	JJ	Degree=Pos	15	amod	_	_
15	ones	one	NOUN	NNS	Number=Plur	13	obj	_	SpaceAfter=No
16	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | a good idea |  |  |  |  | tree rules |
| 2 | **recycle** | to-infinitive |  | aluminium cans |  |  |  |  | tree rules |
| 3 | **make** | infinitive |  | new ones |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset one=Product |

<!-- .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 -->
Recycled cans are heavier and stronger

```conllu
# sent_id = question:world:57-environment:t2:o1:1
# text = Recycled cans are heavier and stronger
1	Recycled	recycle	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	amod	_	_
2	cans	can	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	heavier	heavy	ADJ	JJR	Degree=Cmp	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	stronger	strong	ADJ	JJR	Degree=Cmp	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **recycle** | participle |  |  |  |  |  |  | tree rules |
| 2 | **is** | present | Recycled cans |  |  |  |  | heavy *property* | tree rules |
| 3 | **be** |  | Recycled cans *not said here* |  |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It makes cans break down faster

```conllu
# sent_id = question:world:57-environment:t2:o2:1
# text = It makes cans break down faster
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	cans	can	NOUN	NNS	Number=Plur	2	obj	_	_
4	break	break	VERB	VB	VerbForm=Inf	2	xcomp	_	_
5	down	down	ADP	RP	_	4	compound:prt	_	_
6	faster	fast	ADV	RBR	Degree=Cmp	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | cans |  |  |  |  | tree rules |
| 2 | **break down** | infinitive | cans *not said here* |  |  |  |  | fast *property* | vn break-45.1 «NP.patient V»: agent=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
New cans are made of plastic

```conllu
# sent_id = question:world:57-environment:t2:o3:1
# text = New cans are made of plastic
1	New	new	ADJ	JJ	Degree=Pos	2	amod	_	_
2	cans	can	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	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	plastic	plastic	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | New cans |  |  |  | of plastic | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Recycling saves most of the energy needed to make new metal

```conllu
# sent_id = question:world:57-environment:t2:o4:1
# text = Recycling saves most of the energy needed to make new metal
1	Recycling	recycling	NOUN	NN	Number=Sing	2	nsubj	_	_
2	saves	save	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	most	most	ADJ	JJS	Degree=Sup	2	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	energy	energy	NOUN	NN	Number=Sing	3	nmod	_	_
7	needed	need	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	make	make	VERB	VB	VerbForm=Inf	7	advcl	_	_
10	new	new	ADJ	JJ	Degree=Pos	11	amod	_	_
11	metal	metal	NOUN	NN	Number=Sing	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **save** | present | Recycling | most of the energy |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent most=Theme |
| 2 | **need** | participle |  | the energy *not said here* |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot |
| 3 | **make** | to-infinitive |  | new metal |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset metal=Product |

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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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