---
title: Which is true about a wind turbine? — Energy — where it comes from and how t… · tree and pragmatics
description: Which is true about a wind turbine? Test 5 of lesson 56 «Energy — where it comes from and how to save it» 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 5 · Energy — where it comes from and how to save it

<!-- .ven lang=en -->
Which is true about a wind turbine?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **What happens:** be

<!-- .vabout -->
This is test 5 of lesson 56 «Energy — where it comes from and how to save it» 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/56-energy/#t5).

## The question {#question}

```conllu
# sent_id = question:world:56-energy:t5:1
# text = Which is true about a wind turbine?
1	Which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
4	about	about	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	wind	wind	NOUN	NN	Number=Sing	7	compound	_	_
7	turbine	turbine	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
8	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | about a wind turbine; true *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 {#o1}

<!-- .ven lang=en -->
It burns fuel to spin

```conllu
# sent_id = question:world:56-energy:t5:o1:1
# text = It burns fuel to spin
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	fuel	fuel	NOUN	NN	Number=Sing	2	obj	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	spin	spin	VERB	VB	VerbForm=Inf	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **burn** | present | It | fuel |  |  |  |  | vn light\_emission-43.1 «NP V NP.theme»: agent=Agent fuel=Theme |
| 2 | **spin** | to-infinitive |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It turns the movement of wind into electricity

```conllu
# sent_id = question:world:56-energy:t5:o2:1
# text = It turns the movement of wind into electricity
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	turns	turn	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	movement	movement	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	wind	wind	NOUN	NN	Number=Sing	4	nmod	_	_
7	into	into	ADP	IN	_	8	case	_	_
8	electricity	electricity	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | It | the movement of wind |  | electricity |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent movement=Theme into electricity=Trajectory |
| 2 | **move** |  |  | wind |  |  |  |  | nom movement «act transitive»: of=patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
It works only when there is no wind blowing at all

```conllu
# sent_id = question:world:56-energy:t5:o3:1
# text = It works only when there is no wind blowing at all
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	works	work	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	8	advmod	_	_
4	when	when	ADV	WRB	PronType=Int	6	advmod	_	_
5	there	there	PRON	EX	PronType=Dem	6	expl	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	no	no	DET	DT	PronType=Neg	8	det	_	_
8	wind	wind	NOUN	NN	Number=Sing	2	obl	_	_
9	blowing	blow	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	at	at	ADP	IN	_	11	case	_	_
11	all	all	DET	DT	PronType=Tot	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | present | It |  |  |  |  |  | vn employment-95.3 «NP V»: agent=Agent |
| 2 | **is a** | present |  | no wind |  |  |  |  | tree rules |
| 3 | **blow** | gerund | no wind *not said here* |  |  | all |  |  | vn split-23.2 «NP V apart»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It makes the wind blow harder

```conllu
# sent_id = question:world:56-energy:t5:o4:1
# text = It makes the wind blow harder
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	5	det	_	_
4	wind	wind	NOUN	NN	Number=Sing	5	compound	_	_
5	blow	blow	NOUN	NN	Number=Sing	2	obj	_	_
6	harder	hard	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the wind blow |  |  |  | hard *property* | vn build-26.1-1 «NP.material V NP»: agent=Material blow=Product |

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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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