---
title: Why is a frayed cable dangerous? — Electricity at home and staying safe · tree and pragmatics
description: Why is a frayed cable dangerous? Test 6 of lesson 87 «Electricity at home and staying safe» 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 6 · Electricity at home and staying safe

<!-- .ven lang=en -->
Why is a frayed cable dangerous?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** frayed cable · **What happens:** fray, be

<!-- .vabout -->
This is test 6 of lesson 87 «Electricity at home and staying safe» 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/87-electricity-at-home-and-safety/#t6).

## The question {#question}

```conllu
# sent_id = question:world:87-electricity-at-home-and-safety:t6:1
# text = Why is a frayed cable dangerous?
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	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	frayed	fray	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	_
5	cable	cable	NOUN	NN	Number=Sing	6	nsubj	_	_
6	dangerous	dangerous	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
7	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fray** | participle |  |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **is** | present | a frayed cable |  |  |  |  | dangerous *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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Bare wires can give a shock or start a fire

```conllu
# sent_id = question:world:87-electricity-at-home-and-safety:t6:o1:1
# text = Bare wires can give a shock or start a fire
1	Bare	bare	ADJ	JJ	Degree=Pos	2	amod	_	_
2	wires	wire	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	give	give	VERB	VB	VerbForm=Inf	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	shock	shock	NOUN	NN	Number=Sing	4	obj	_	_
7	or	or	CCONJ	CC	_	8	cc	_	_
8	start	start	VERB	VB	VerbForm=Inf	4	conj	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	fire	fire	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | can | Bare wires | a shock |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent shock=Theme |
| 2 | **start** | infinitive | Bare wires *not said here* | a fire |  |  |  |  | vn begin-55.1-1-1 «NP V NP»: agent=Agent fire=Eventuality |

### Option 2 {#o2}

<!-- .ven lang=en -->
It makes the plug keep falling out of the socket

```conllu
# sent_id = question:world:87-electricity-at-home-and-safety:t6:o2:1
# text = It makes the plug keep falling out of the socket
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	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	plug	plug	NOUN	NN	Number=Sing	2	obj	_	_
5	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	xcomp	_	_
6	falling	fall	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
7	out	out	ADP	IN	_	10	case	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	socket	socket	NOUN	NN	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the plug |  |  |  |  | tree rules |
| 2 | **keep** | present | the plug *not said here* |  |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent |
| 3 | **fall** | gerund |  |  |  | the socket |  |  | vn occur-48.3 «NP V PP»: agent=Theme out socket=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
It uses up far too much electricity every hour

```conllu
# sent_id = question:world:87-electricity-at-home-and-safety:t6:o3:1
# text = It uses up far too much electricity every hour
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	up	up	ADP	RP	_	2	compound:prt	_	_
4	far	far	ADV	RB	Degree=Pos	6	advmod	_	_
5	too	too	ADV	RB	_	6	advmod	_	_
6	much	much	ADJ	JJ	Degree=Pos	7	amod	_	_
7	electricity	electricity	NOUN	NN	Number=Sing	2	obj	_	_
8	every	every	DET	DT	PronType=Tot	9	det	_	_
9	hour	hour	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use up** | present | It | much electricity |  |  | hour |  | vn eat-39.1 «NP V NP»: agent=Agent electricity=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It makes the device too slow to warm up properly

```conllu
# sent_id = question:world:87-electricity-at-home-and-safety:t6:o4:1
# text = It makes the device too slow to warm up properly
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	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	device	device	NOUN	NN	Number=Sing	2	obj	_	_
5	too	too	ADV	RB	_	6	advmod	_	_
6	slow	slow	ADJ	JJ	Degree=Pos	4	amod	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	warm	warm	VERB	VB	VerbForm=Inf	6	advcl	_	_
9	up	up	ADP	RP	_	8	compound:prt	_	_
10	properly	properly	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the device |  |  |  | properly *property* | vn build-26.1-1 «NP.material V NP»: agent=Material device=Product |
| 2 | **warm up** | to-infinitive |  |  |  |  |  |  | vn cooking-45.3 «NP.patient V»: agent=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.

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- ← previous: [Electricity at home and staying safe, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/world/87-electricity-at-home-and-safety/t5/)
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