---
title: Identify, from among the following, the material that conducts heat… — Materials and their properties · tree and pragmatics
description: Identify, from among the following, the material that conducts heat most effectively. Exam question 1 of lesson 18 «Materials and their properties» 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 wrong.
---

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# Exam question 1 · Materials and their properties

<!-- .ven lang=en -->
Identify, from among the following, the material that conducts heat most effectively.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you, material · **What happens:** identify, follow, conduct · **To what, where:** material, heat

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This is exam question 1 of lesson 18 «Materials and their properties» of the world 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/world/18-materials-and-properties/#e1).

## The question {#question}

```conllu
# sent_id = question:world:18-materials-and-properties:e1:1
# text = Identify, from among the following, the material that conducts heat most effectively.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	9	punct	_	_
3	from	from	ADP	IN	_	9	case	_	_
4	among	among	ADP	IN	_	9	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
6	following	follow	VERB	VBG	Tense=Pres|VerbForm=Part	9	case	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	material	material	NOUN	NN	Number=Sing	1	obl	_	_
10	that	that	PRON	WDT	PronType=Rel	11	nsubj	_	_
11	conducts	conduct	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	_
12	heat	heat	NOUN	NN	Number=Sing	11	obj	_	_
13	most	most	ADV	RBS	Degree=Sup	14	advmod	_	_
14	effectively	effectively	ADV	RB	_	11	advmod	_	SpaceAfter=No
15	.	.	PUNCT	.	_	1	punct	_	_
```

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* |  |  | the material |  |  | vn empathize-88.2 «NP V»: agent=Experiencer |
| 2 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 3 | **conduct** | present | the material | heat |  |  |  | effectively *property* | vn accompany-51.7 «NP V NP»: agent=Agent heat=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 -->
Dry wood

```conllu
# sent_id = question:world:18-materials-and-properties:e1:o1:1
# text = Dry wood
1	Dry	dry	ADJ	JJ	Degree=Pos	2	amod	_	_
2	wood	wood	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
Natural cork

```conllu
# sent_id = question:world:18-materials-and-properties:e1:o2:1
# text = Natural cork
1	Natural	natural	ADJ	JJ	Degree=Pos	2	amod	_	_
2	cork	cork	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Woollen cloth

```conllu
# sent_id = question:world:18-materials-and-properties:e1:o3:1
# text = Woollen cloth
1	Woollen	woollen	ADJ	JJ	Degree=Pos	2	amod	_	_
2	cloth	cloth	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Metal

```conllu
# sent_id = question:world:18-materials-and-properties:e1:o4:1
# text = Metal
1	Metal	metal	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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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: [Materials and their properties, test 13](https://md.mova.elamur.ai/free/en/corpora/questions/world/18-materials-and-properties/t13/)
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