---
title: «why do planes keep fuel in the wings, isn't that weird» Which is tr… — Airports, the black box, helicopters a… · tree and pragmatics
description: «why do planes keep fuel in the wings, isn't that weird» Which is true? Test 11 of lesson 23 «Airports, the black box, helicopters and drones» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 11 · Airports, the black box, helicopters and drones

<!-- .ven lang=en -->
«why do planes keep fuel in the wings, isn't that weird» Which is true?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **Who acts:** planes, that · **What happens:** keep, not be, be · **To what, where:** fuel, wings · **Speech:** someone speaks here

<!-- .vabout -->
This is test 11 of lesson 23 «Airports, the black box, helicopters and drones» of the technology 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/technology/23-airports-black-box-helicopters-drones/#t11).

## The question {#question}

```conllu
# sent_id = question:technology:23-airports-black-box-helicopters-drones:t11:1
# text = «why do planes keep fuel in the wings, isn't that weird» Which is true?
1	«	«	PUNCT	``	_	5	punct	_	SpaceAfter=No
2	why	why	ADV	WRB	PronType=Int	5	advmod	_	_
3	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
4	planes	plane	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	keep	keep	VERB	VB	VerbForm=Inf	18	csubj	_	_
6	fuel	fuel	NOUN	NN	Number=Sing	5	obj	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	wings	wing	NOUN	NNS	Number=Plur	5	obl	_	SpaceAfter=No
10	,	,	PUNCT	,	_	14	punct	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	SpaceAfter=No
12	n't	not	PART	RB	Polarity=Neg	14	advmod	_	_
13	that	that	PRON	DT	Number=Sing|PronType=Dem	14	nsubj	_	_
14	weird	weird	ADJ	JJ	Degree=Pos	5	parataxis	_	SpaceAfter=No
15	»	»	PUNCT	''	_	14	punct	_	_
16	Which	which	PRON	WDT	PronType=Rel	18	nsubj	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	cop	_	_
18	true	true	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
19	?	?	PUNCT	.	_	18	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** *in a quote* | present · do-support | planes | fuel |  | the wings |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent fuel=Theme in wing=Location |
| 2 | **not** **is** *in a quote* | present | that |  |  |  |  | weird *property* | tree rules |
| 3 | **is** | present |  |  |  |  |  | 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 -->
No, planes carry no fuel, they run on batteries

```conllu
# sent_id = question:technology:23-airports-black-box-helicopters-drones:t11:o1:1
# text = No, planes carry no fuel, they run on batteries
1	No	no	INTJ	UH	Polarity=Neg	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	planes	plane	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	carry	carry	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	no	no	DET	DT	PronType=Neg	6	det	_	_
6	fuel	fuel	NOUN	NN	Number=Sing	4	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
9	run	run	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
10	on	on	ADP	IN	_	11	case	_	_
11	batteries	battery	NOUN	NNS	Number=Plur	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | present | planes | no fuel |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent fuel=Theme |
| 2 | **run** | present | planes *= plane* |  |  | batteries |  |  | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme on battery=Trajectory |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Yes, most fuel is stored inside the wings

```conllu
# sent_id = question:technology:23-airports-black-box-helicopters-drones:t11:o2:1
# text = Yes, most fuel is stored inside the wings
1	Yes	yes	INTJ	UH	Polarity=Pos	6	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	most	most	ADJ	JJS	Degree=Sup	4	amod	_	_
4	fuel	fuel	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	stored	store	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	inside	inside	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	wings	wing	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **store** | present · passive |  | most fuel |  | the wings |  |  | vn keep-15.2 «NP V NP PP.location»: subject=Theme inside wing=Location |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
No, fuel is carried in a tank on the roof

```conllu
# sent_id = question:technology:23-airports-black-box-helicopters-drones:t11:o3:1
# text = No, fuel is carried in a tank on the roof
1	No	no	INTJ	UH	Polarity=Neg	5	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	fuel	fuel	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	carried	carry	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	tank	tank	NOUN	NN	Number=Sing	5	obl	_	_
9	on	on	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	roof	roof	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | present · passive |  | fuel |  | a tank |  | on the roof | vn fit-54.3 «NP V NP PP.location»: subject=Value in tank=Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
No, fuel is kept in the passengers' cabin

```conllu
# sent_id = question:technology:23-airports-black-box-helicopters-drones:t11:o4:1
# text = No, fuel is kept in the passengers' cabin
1	No	no	INTJ	UH	Polarity=Neg	5	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	fuel	fuel	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	kept	keep	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	in	in	ADP	IN	_	10	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	passengers	passenger	NOUN	NNS	Number=Plur	10	nmod:poss	_	SpaceAfter=No
9	'	's	PART	POS	_	8	case	_	_
10	cabin	cabin	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present · passive |  | fuel |  | the passengers's cabin |  |  | vn keep-15.2 «NP V NP PP.location»: subject=Theme in cabin=Location |

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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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