---
title: It is given that natural gas possesses no odour of its own. State th… — Cooking machines: oven, microwave, ket… · tree and pragmatics
description: It is given that natural gas possesses no odour of its own. State the reason for which an odour is added prior to supply. Exam question 2 of lesson 11 «Cooking machines: oven, microwave, kettle, toaster and hob» of the technology course of Mova's primary school, with the dependency tree and pragmati
---

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# Exam question 2 · Cooking machines: oven, microwave, kettle, toaster and hob

<!-- .ven lang=en -->
It is given that natural gas possesses no odour of its own. State the reason for which an odour is added prior to supply.

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** natural gas · **What happens:** give, possess, add, supply · **To what, where:** It, odour

<!-- .vabout -->
This is exam question 2 of lesson 11 «Cooking machines: oven, microwave, kettle, toaster and hob» of the technology 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/technology/11-cooking-machines/#e2).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that natural gas possesses no odour of its own.

```conllu
# sent_id = question:technology:11-cooking-machines:e2:1
# text = It is given that natural gas possesses no odour of its own.
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	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	7	mark	_	_
5	natural	natural	ADJ	JJ	Degree=Pos	6	amod	_	_
6	gas	gas	NOUN	NN	Number=Sing	7	nsubj	_	_
7	possesses	possess	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
8	no	no	DET	DT	PronType=Neg	9	det	_	_
9	odour	odour	NOUN	NN	Number=Sing	7	obj	_	_
10	of	of	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	own	own	ADJ	JJ	Degree=Pos	9	nmod	_	SpaceAfter=No
13	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **possess** | present | natural gas | no odour of gas's own |  |  |  |  | vn own-100.1 «NP V NP»: agent=Pivot odour=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.

<!-- .note -->
*Sentence 2:* State the reason for which an odour is added prior to supply.

```conllu
# sent_id = question:technology:11-cooking-machines:e2:2
# text = State the reason for which an odour is added prior to supply.
1	State	state	NOUN	NN	Number=Sing	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	reason	reason	NOUN	NN	Number=Sing	1	appos	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	9	obl	_	_
6	an	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	odour	odour	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	added	add	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	_
10	prior	prior	ADJ	JJ	Degree=Pos|ExtPos=ADP	9	xcomp	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	supply	supply	VERB	VB	VerbForm=Inf	10	xcomp	_	SpaceAfter=No
13	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **add** *speech: assert* | present · passive |  | a odour |  |  |  | for the reason; prior *property* | vn mix-22.1-2 «NP V NP»: subject=Patient |
| 2 | **supply** | to-infinitive |  |  |  |  |  |  | vn fulfilling-13.4.1-1 «NP V NP»: agent=Agent |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
So that the gas is rendered heavier than air

```conllu
# sent_id = question:technology:11-cooking-machines:e2:o1:1
# text = So that the gas is rendered heavier than air
1	So	so	ADV	RB	_	6	advmod	_	_
2	that	that	SCONJ	IN	_	6	mark	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	gas	gas	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	rendered	render	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	heavier	heavy	ADJ	JJR	Degree=Cmp	6	xcomp	_	_
8	than	than	ADP	IN	_	9	case	_	_
9	air	air	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **render** | present · passive |  | the gas |  |  |  | heavy *property* | vn give-13.1 «NP V NP»: subject=Theme |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
So that the gas cannot be ignited accidentally

```conllu
# sent_id = question:technology:11-cooking-machines:e2:o2:1
# text = So that the gas cannot be ignited accidentally
1	So	so	ADV	RB	_	8	advmod	_	_
2	that	that	SCONJ	IN	_	8	mark	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	gas	gas	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
5	can	can	AUX	MD	VerbForm=Fin	8	aux	_	SpaceAfter=No
6	not	not	PART	RB	Polarity=Neg	8	advmod	_	_
7	be	be	AUX	VB	VerbForm=Inf	8	aux:pass	_	_
8	ignited	ignite	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
9	accidentally	accidentally	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **ignite** | can · passive |  | the gas |  |  |  | accidentally *property* | vn other\_cos-45.4 «NP V NP.patient»: subject=Patient |

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

<!-- .ven lang=en -->
So that any leakage may be readily detected

```conllu
# sent_id = question:technology:11-cooking-machines:e2:o3:1
# text = So that any leakage may be readily detected
1	So	so	ADV	RB	_	8	advmod	_	_
2	that	that	SCONJ	IN	_	8	mark	_	_
3	any	any	DET	DT	PronType=Ind	4	det	_	_
4	leakage	leakage	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
5	may	may	AUX	MD	VerbForm=Fin	8	aux	_	_
6	be	be	AUX	VB	VerbForm=Inf	8	aux:pass	_	_
7	readily	readily	ADV	RB	_	8	advmod	_	_
8	detected	detect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **detect** | may · passive |  | any leakage |  |  |  | readily *property* | vn see-30.1-1 «NP V S»: subject=Stimulus |

### Option 4 {#o4}

<!-- .ven lang=en -->
So that the flame burns with a blue colour

```conllu
# sent_id = question:technology:11-cooking-machines:e2:o4:1
# text = So that the flame burns with a blue colour
1	So	so	ADV	RB	_	5	advmod	_	_
2	that	that	SCONJ	IN	_	5	mark	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	flame	flame	NOUN	NN	Number=Sing	5	nsubj	_	_
5	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	with	with	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	blue	blue	ADJ	JJ	Degree=Pos	9	amod	_	_
9	colour	colour	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **burn** | present | the flame |  |  |  |  | with a blue colour | vn light\_emission-43.1 «NP.location V PP.theme»: agent=Location with colour=Theme |

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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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