---
title: Which of the following statements most accurately characterises the… — Melting, freezing and boiling · tree and pragmatics
description: Which of the following statements most accurately characterises the operation of a domestic refrigerator? Exam question 2 of lesson 24 «Melting, freezing and boiling» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's ch
---

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# Exam question 2 · Melting, freezing and boiling

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the operation of a domestic refrigerator?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** follow, characteris, operate · **To what, where:** operation, domestic refrigerator

<!-- .vabout -->
This is exam question 2 of lesson 24 «Melting, freezing and boiling» of the physics 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/physics/24-melting-freezing-and-boiling/#e2).

## The question {#question}

```conllu
# sent_id = question:physics:24-melting-freezing-and-boiling:e2:1
# text = Which of the following statements most accurately characterises the operation of a domestic refrigerator?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	operation	operation	NOUN	NN	Number=Sing	8	obj	_	_
11	of	of	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	domestic	domestic	ADJ	JJ	Degree=Pos	14	amod	_	_
14	refrigerator	refrigerator	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
15	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | the operation of a domestic refrigerator |  |  |  | of the following statements; accurately *property* | tree rules |
| 3 | **operate** |  |  | a domestic refrigerator |  |  |  |  | nom operation «state transitive»: of=patient |

<!-- .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 -->
It admits cold air from outside the dwelling

```conllu
# sent_id = question:physics:24-melting-freezing-and-boiling:e2:o1:1
# text = It admits cold air from outside the dwelling
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	admits	admit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	cold	cold	ADJ	JJ	Degree=Pos	4	amod	_	_
4	air	air	NOUN	NN	Number=Sing	2	obj	_	_
5	from	from	ADP	IN	_	8	case	_	_
6	outside	outside	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	dwelling	dwelling	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **admit** *speech: other* | present | It | cold air |  | the dwelling |  |  | vn admit-64.3-1 «NP V NP»: agent=Agent air=Theme |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It transfers heat from its interior and releases it at its rear

```conllu
# sent_id = question:physics:24-melting-freezing-and-boiling:e2:o2:1
# text = It transfers heat from its interior and releases it at its rear
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	transfers	transfer	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	heat	heat	NOUN	NN	Number=Sing	2	obj	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	interior	interior	NOUN	NN	Number=Sing	2	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	releases	release	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
10	at	at	ADP	IN	_	12	case	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	rear	rear	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **transfer** | present | It | heat |  | heat's interior |  |  | vn send-11.1 «NP V NP PP.initial\_location»: agent=Agent heat=Theme from interior=Initial\_Location |
| 2 | **release** | present |  | heat |  | heat's rear |  |  | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer it=Source |

### Option 3 {#o3}

<!-- .ven lang=en -->
It generates cold from electrical energy

```conllu
# sent_id = question:physics:24-melting-freezing-and-boiling:e2:o3:1
# text = It generates cold from electrical energy
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	generates	generate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	cold	cold	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	electrical	electrical	ADJ	JJ	Degree=Pos	6	amod	_	_
6	energy	energy	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **generate** | present | It |  |  |  |  | from electrical energy; cold *property* | vn grow-26.2.1 «NP.product V PP.patient»: agent=Product from energy=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It compresses foodstuffs in order to cool them more rapidly and evenly

```conllu
# sent_id = question:physics:24-melting-freezing-and-boiling:e2:o4:1
# text = It compresses foodstuffs in order to cool them more rapidly and evenly
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	compresses	compress	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	foodstuffs	foodstuff	NOUN	NNS	Number=Plur	2	obj	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	order	order	NOUN	NN	Number=Sing	2	obl	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	cool	cool	VERB	VB	VerbForm=Inf	2	advcl	_	_
8	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	7	obj	_	_
9	more	more	ADV	RBR	Degree=Cmp	10	advmod	_	_
10	rapidly	rapidly	ADV	RB	_	7	advmod	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	evenly	evenly	ADV	RB	_	10	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **compress** | present | It | foodstuffs |  | order |  |  | vn bend-45.2 «NP V NP.patient»: agent=Agent foodstuff=Patient |
| 2 | **cool** | to-infinitive |  | foodstuffs *= foodstuff* |  |  |  | rapidly *property* | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent they=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: [Melting, freezing and boiling, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/24-melting-freezing-and-boiling/e1/)
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