---
title: Identify the principal consequence of the combustion of fossil fuels… — Coal, oil and gas · tree and pragmatics
description: Identify the principal consequence of the combustion of fossil fuels for the climate. Exam question 2 of lesson 59 «Coal, oil and gas» of the geography 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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# Exam question 2 · Coal, oil and gas

<!-- .ven lang=en -->
Identify the principal consequence of the combustion of fossil fuels for the climate.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** you, fossil fuels · **What happens:** identify, combust · **To what, where:** principal consequence

<!-- .vabout -->
This is exam question 2 of lesson 59 «Coal, oil and gas» of the geography 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/geography/59-coal-oil-and-gas/#e2).

## The question {#question}

```conllu
# sent_id = question:geography:59-coal-oil-and-gas:e2:1
# text = Identify the principal consequence of the combustion of fossil fuels for the climate.
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	consequence	consequence	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	combustion	combustion	NOUN	NN	Number=Sing	4	nmod	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	fossil	fossil	NOUN	NN	Number=Sing	10	compound	_	_
10	fuels	fuel	NOUN	NNS	Number=Plur	7	nmod	_	_
11	for	for	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	climate	climate	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
14	.	.	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 consequence of the combustion of fossil fuels for the climate |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent consequence=Theme |
| 2 | **combust** |  | fossil fuels for the climate |  |  |  |  |  | nom combustion «process intransitive»: of=agent |

<!-- .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 -->
The emission of oxygen, which cools the atmosphere

```conllu
# sent_id = question:geography:59-coal-oil-and-gas:e2:o1:1
# text = The emission of oxygen, which cools the atmosphere
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	emission	emission	NOUN	NN	Number=Sing	7	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	nmod	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	which	which	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	cools	cool	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	atmosphere	atmosphere	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | present | the emission of oxygen | the atmosphere |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent atmosphere=Patient |
| 2 | **emit** |  |  | oxygen |  |  |  |  | nom emission «act transitive»: of=patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The enlargement of the polar ice sheets

```conllu
# sent_id = question:geography:59-coal-oil-and-gas:e2:o2:1
# text = The enlargement of the polar ice sheets
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	enlargement	enlargement	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
5	polar	polar	ADJ	JJ	Degree=Pos	7	amod	_	_
6	ice	ice	NOUN	NN	Number=Sing	7	compound	_	_
7	sheets	sheet	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **enlarge** |  |  | the polar ice sheets |  |  |  |  | nom enlargement «act transitive»: of=patient |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The emission of carbon dioxide, the principal cause of present global warming

```conllu
# sent_id = question:geography:59-coal-oil-and-gas:e2:o3:1
# text = The emission of carbon dioxide, the principal cause of present global warming
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	emission	emission	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	carbon	carbon	NOUN	NN	Number=Sing	5	compound	_	_
5	dioxide	dioxide	NOUN	NN	Number=Sing	2	nmod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	principal	principal	ADJ	JJ	Degree=Pos	9	amod	_	_
9	cause	cause	NOUN	NN	Number=Sing	2	conj	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	present	present	ADJ	JJ	Degree=Pos	13	amod	_	_
12	global	global	ADJ	JJ	Degree=Pos	13	amod	_	_
13	warming	warming	NOUN	NN	Number=Sing	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **emit** |  |  | carbon dioxide |  |  |  |  | nom emission «act transitive»: of=patient |
| 2 | **cause** |  |  | present global warming |  |  |  |  | nom cause «event transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The cessation of all rainfall

```conllu
# sent_id = question:geography:59-coal-oil-and-gas:e2:o4:1
# text = The cessation of all rainfall
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cessation	cessation	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	all	all	DET	DT	PronType=Tot	5	det	_	_
5	rainfall	rainfall	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cease** |  |  | all rainfall |  |  |  |  | nom cessation «event transitive»: of=patient |

<!-- div src -->

**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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