---
title: Identify the principal reason for which a dark glass hob presents a… — Oven, hob, kettle, toaster and dishwas… · tree and pragmatics
description: Identify the principal reason for which a dark glass hob presents a particular hazard. Exam question 1 of lesson 107 «Oven, hob, kettle, toaster and dishwasher» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice 
---

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# Exam question 1 · Oven, hob, kettle, toaster and dishwasher

<!-- .ven lang=en -->
Identify the principal reason for which a dark glass hob presents a particular hazard.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you, dark glass hob · **What happens:** identify, present · **To what, where:** principal reason, particular hazard

<!-- .vabout -->
This is exam question 1 of lesson 107 «Oven, hob, kettle, toaster and dishwasher» of the everyday 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/everyday/107-oven-hob-kettle-toaster-and-dishwasher/#e1).

## The question {#question}

```conllu
# sent_id = question:everyday:107-oven-hob-kettle-toaster-and-dishwasher:e1:1
# text = Identify the principal reason for which a dark glass hob presents a particular hazard.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	11	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
8	dark	dark	ADJ	JJ	Degree=Pos	10	amod	_	_
9	glass	glass	NOUN	NN	Number=Sing	10	compound	_	_
10	hob	hob	NOUN	NN	Number=Sing	11	nsubj	_	_
11	presents	present	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	acl	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	particular	particular	ADJ	JJ	Degree=Pos	14	amod	_	_
14	hazard	hazard	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
15	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **present** | present | a dark glass hob | a particular hazard |  |  |  | for the principal reason | vn fulfilling-13.4.1 «NP V NP PP.recipient»: agent=Agent hazard=Theme for which=Recipient |

<!-- .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 {#o1}

<!-- .ven lang=en -->
It heats only when touched by a person's hand

```conllu
# sent_id = question:everyday:107-oven-hob-kettle-toaster-and-dishwasher:e1:o1:1
# text = It heats only when touched by a person's hand
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj:pass	_	_
2	heats	heat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	when	when	ADV	WRB	PronType=Int	5	advmod	_	_
5	touched	touch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	by	by	ADP	IN	_	10	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	person	person	NOUN	NN	Number=Sing	10	nmod:poss	_	SpaceAfter=No
9	's	's	PART	POS	_	8	case	_	_
10	hand	hand	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **touch** | present · passive | a person's hand | It |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme subject=Co-Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is cooled instantly when it is switched off

```conllu
# sent_id = question:everyday:107-oven-hob-kettle-toaster-and-dishwasher:e1:o2:1
# text = It is cooled instantly when it is switched off
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	cooled	cool	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	instantly	instantly	ADV	RB	_	3	advmod	_	_
5	when	when	SCONJ	WRB	_	8	mark	_	_
6	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	nsubj:pass	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux:pass	_	_
8	switched	switch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
9	off	off	ADP	RP	_	8	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | present · passive |  | It |  |  |  | instantly *property* | vn other\_cos-45.4 «NP V NP.patient»: subject=Patient |
| 2 | **switch off** | present · passive |  | it |  |  |  |  | vn convert-26.6.2-1-1 «NP V NP»: subject=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
It conducts electricity to any person who touches it with a wet hand

```conllu
# sent_id = question:everyday:107-oven-hob-kettle-toaster-and-dishwasher:e1:o3:1
# text = It conducts electricity to any person who touches it with a wet hand
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	conducts	conduct	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	electricity	electricity	NOUN	NN	Number=Sing	2	obj	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	any	any	DET	DT	PronType=Ind	6	det	_	_
6	person	person	NOUN	NN	Number=Sing	2	obl	_	_
7	who	who	PRON	WP	PronType=Rel	8	nsubj	_	_
8	touches	touch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
10	with	with	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	wet	wet	ADJ	JJ	Degree=Pos	13	amod	_	_
13	hand	hand	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conduct** | present | It | electricity | any person |  |  |  | vn accompany-51.7 «NP V NP PP.destination»: agent=Agent electricity=Theme to person=Destination |
| 2 | **touch** | present | any person | electricity |  |  |  | with a wet hand | vn touch-20-1 «NP V NP PP.instrument»: agent=Agent it=Theme with hand=Instrument |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
It does not display its heat and may remain hot after switching off

```conllu
# sent_id = question:everyday:107-oven-hob-kettle-toaster-and-dishwasher:e1:o4:1
# text = It does not display its heat and may remain hot after switching off
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	display	display	VERB	VB	VerbForm=Inf	0	root	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	heat	heat	NOUN	NN	Number=Sing	4	obj	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	may	may	AUX	MD	VerbForm=Fin	9	aux	_	_
9	remain	remain	VERB	VB	VerbForm=Inf	4	conj	_	_
10	hot	hot	ADJ	JJ	Degree=Pos	9	xcomp	_	_
11	after	after	SCONJ	IN	_	12	mark	_	_
12	switching	switch	VERB	VBG	Tense=Pres|VerbForm=Part	9	advcl	_	_
13	off	off	ADP	RP	_	12	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **display** | present · do-support | It | its heat |  |  |  |  | vn reflexive\_appearance-48.1.2 «NP V NP»: agent=Theme heat=Reflexive |
| 2 | **remain** | may |  |  |  |  |  | hot *property* | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **switch off** | gerund |  |  |  |  |  |  | vn convert-26.6.2-1-1 «NP V»: agent=Patient |
| 4 | **heat** |  | its *= it* |  |  |  |  |  | nom heat «phenomenon intransitive»: poss=agent |

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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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