---
title: If a plastic lunchbox is left on a hot car dashboard all day, what m… — Plastics: useful and stubborn · tree and pragmatics
description: If a plastic lunchbox is left on a hot car dashboard all day, what might happen? Test 10 of lesson 29 «Plastics: useful and stubborn» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 10 · Plastics: useful and stubborn

<!-- .ven lang=en -->
If a plastic lunchbox is left on a hot car dashboard all day, what might happen?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **What happens:** leave, happen · **To what, where:** plastic lunchbox, hot car dashboard

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This is test 10 of lesson 29 «Plastics: useful and stubborn» of the chemistry 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/chemistry/29-plastics-useful-stubborn/#t10).

## The question {#question}

```conllu
# sent_id = question:chemistry:29-plastics-useful-stubborn:t10:1
# text = If a plastic lunchbox is left on a hot car dashboard all day, what might happen?
1	If	if	SCONJ	IN	_	6	mark	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	plastic	plastic	ADJ	JJ	Degree=Pos	4	amod	_	_
4	lunchbox	lunchbox	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	17	advcl	_	_
7	on	on	ADP	IN	_	11	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
9	hot	hot	ADJ	JJ	Degree=Pos	11	amod	_	_
10	car	car	NOUN	NN	Number=Sing	11	compound	_	_
11	dashboard	dashboard	NOUN	NN	Number=Sing	6	obl	_	_
12	all	all	DET	DT	PronType=Tot	13	det	_	_
13	day	day	NOUN	NN	Number=Sing	6	obl:unmarked	_	SpaceAfter=No
14	,	,	PUNCT	,	_	6	punct	_	_
15	what	what	PRON	WP	PronType=Int	17	nsubj	_	_
16	might	might	AUX	MD	VerbForm=Fin	17	aux	_	_
17	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
18	?	?	PUNCT	.	_	17	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** *a condition, not said to happen* | present · passive |  | a plastic lunchbox |  | a hot car dashboard | day |  | vn keep-15.2 «NP V NP PP.location»: subject=Theme on dashboard=Location |
| 2 | **happen** | might |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It may soften and bend out of shape

```conllu
# sent_id = question:chemistry:29-plastics-useful-stubborn:t10:o1:1
# text = It may soften and bend out of shape
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	may	may	AUX	MD	VerbForm=Fin	3	aux	_	_
3	soften	soften	VERB	VB	VerbForm=Inf	0	root	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	bend	bend	VERB	VB	VerbForm=Inf	3	conj	_	_
6	out	out	ADP	IN	_	8	case	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	shape	shape	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **soften** | may | It |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **bend** | infinitive |  |  |  | shape |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent out shape=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
It will start to rot like fruit

```conllu
# sent_id = question:chemistry:29-plastics-useful-stubborn:t10:o2:1
# text = It will start to rot like fruit
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	start	start	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	rot	rot	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	like	like	ADP	IN	_	7	case	_	_
7	fruit	fruit	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **start** | future | It |  |  |  |  |  | vn begin-55.1-1-1 «NP V S\_INF»: agent=Agent clause=Eventuality |
| 2 | **rot** | to-infinitive |  |  |  |  |  | like fruit | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
It will turn into glass

```conllu
# sent_id = question:chemistry:29-plastics-useful-stubborn:t10:o3:1
# text = It will turn into glass
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
4	into	into	ADP	IN	_	5	case	_	_
5	glass	glass	NOUN	NN	Number=Sing	3	obl	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
It will get stronger and harder

```conllu
# sent_id = question:chemistry:29-plastics-useful-stubborn:t10:o4:1
# text = It will get stronger and harder
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	get	get	VERB	VB	VerbForm=Inf	0	root	_	_
4	stronger	strong	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	harder	hard	ADJ	JJR	Degree=Cmp	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | future | It |  |  |  |  | strong *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

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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: [Plastics: useful and stubborn, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/29-plastics-useful-stubborn/t9/)
- next →: [Plastics: useful and stubborn, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/29-plastics-useful-stubborn/e1/)
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