---
title: why are wires plastic on the outside — Electricity — circuits, switches and s… · tree and pragmatics
description: why are wires plastic on the outside Test 11 · ★★ of lesson 55 «Electricity — circuits, switches and safety» 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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# Test 11 · ★★ · Electricity — circuits, switches and safety

<!-- .ven lang=en -->
why are wires plastic on the outside

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** wires · **What happens:** be · **To what, where:** outside

<!-- .vabout -->
This is test 11 · ★★ of lesson 55 «Electricity — circuits, switches and safety» 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/55-electricity/#t11).

## The question {#question}

```conllu
# sent_id = question:world:55-electricity:t11:1
# text = why are wires plastic on the outside
1	why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	wires	wire	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	plastic	plastic	ADJ	JJ	Degree=Pos	0	root	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	outside	outside	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | wires |  |  | the outside |  | plastic *property* | tree rules |

<!-- .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 -->
Plastic makes the electricity faster

```conllu
# sent_id = question:world:55-electricity:t11:o1:1
# text = Plastic makes the electricity faster
1	Plastic	plastic	NOUN	NN	Number=Sing	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	electricity	electricity	NOUN	NN	Number=Sing	2	obj	_	_
5	faster	fast	ADV	RBR	Degree=Cmp	2	xcomp	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
It is only for the colours

```conllu
# sent_id = question:world:55-electricity:t11:o2:1
# text = It is only for the colours
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
3	only	only	ADV	RB	_	6	advmod	_	_
4	for	for	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	colours	colour	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | for the colours | tree rules |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Plastic is an insulator that keeps the electricity in

```conllu
# sent_id = question:world:55-electricity:t11:o3:1
# text = Plastic is an insulator that keeps the electricity in
1	Plastic	plastic	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	an	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	insulator	insulator	NOUN	NN	Number=Sing	0	root	_	_
5	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	electricity	electricity	NOUN	NN	Number=Sing	6	obj	_	_
9	in	in	ADP	IN	_	6	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Plastic | a insulator |  |  |  |  | tree rules |
| 2 | **keep in** | present | a insulator | the electricity |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent electricity=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Metal would melt the plastic

```conllu
# sent_id = question:world:55-electricity:t11:o4:1
# text = Metal would melt the plastic
1	Metal	metal	NOUN	NN	Number=Sing	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	melt	melt	VERB	VB	VerbForm=Inf	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	plastic	plastic	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **melt** | would | Metal | the plastic |  |  |  |  | vn other\_cos-45.4-1 «NP V NP ADJ»: agent=Patient plastic=Result |

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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: [Electricity — circuits, switches and s…, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/55-electricity/t10/)
- next →: [Electricity — circuits, switches and s…, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/world/55-electricity/t12/)
- ↑ back to [Electricity — circuits, switches and safety](https://md.mova.elamur.ai/free/en/corpora/questions/world/55-electricity/)