---
title: Why does a balloon trick work best on a dry winter day? — Hair: growing, curly and straight, eye… · tree and pragmatics
description: Why does a balloon trick work best on a dry winter day? Test 11 · ★★ of lesson 355 «Hair: growing, curly and straight, eyebrows, eyelashes and going grey» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was rig
---

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# Test 11 · ★★ · Hair: growing, curly and straight, eyebrows, eyelashes and…

<!-- .ven lang=en -->
Why does a balloon trick work best on a dry winter day?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **What happens:** do, work · **To what, where:** balloon trick

<!-- .vabout -->
This is test 11 · ★★ of lesson 355 «Hair: growing, curly and straight, eyebrows, eyelashes and going grey» of the biology 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/biology/355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey/#t11).

## The question {#question}

```conllu
# sent_id = question:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey:t11:1
# text = Why does a balloon trick work best on a dry winter day?
1	Why	why	ADV	WRB	PronType=Int	2	advmod	_	_
2	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	advcl	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	balloon	balloon	NOUN	NN	Number=Sing	5	compound	_	_
5	trick	trick	NOUN	NN	Number=Sing	2	obj	_	_
6	work	work	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
7	best	well	ADV	RBS	Degree=Sup	6	advmod	_	_
8	on	on	ADP	IN	_	12	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
10	dry	dry	ADJ	JJ	Degree=Pos	12	amod	_	_
11	winter	winter	NOUN	NN	Number=Sing	12	compound	_	_
12	day	day	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
13	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present |  | a balloon trick |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent trick=Eventuality |
| 2 | **work** | present |  |  |  |  | day | well *property* | vn employment-95.3 «NP V»: agent=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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Dry air lets static charges build up instead of leaking away

```conllu
# sent_id = question:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey:t11:o1:1
# text = Dry air lets static charges build up instead of leaking away
1	Dry	dry	ADJ	JJ	Degree=Pos	2	amod	_	_
2	air	air	NOUN	NN	Number=Sing	3	nsubj	_	_
3	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	static	static	ADJ	JJ	Degree=Pos	5	amod	_	_
5	charges	charge	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	build	build	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	xcomp	_	_
7	up	up	ADP	RP	_	6	compound:prt	_	_
8	instead	instead	ADV	RB	ExtPos=SCONJ	10	mark	_	_
9	of	of	ADP	IN	_	8	fixed	_	_
10	leaking	leak	VERB	VBG	Tense=Pres|VerbForm=Part	6	advcl	_	_
11	away	away	ADV	RB	_	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | present | Dry air |  |  |  |  |  | tree rules |
| 2 | **build up** | present | static charges |  |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V ADV-Middle»: agent=Patient |
| 3 | **leak away** | gerund | static charges *not said here* |  |  |  |  | away *property* | vn substance\_emission-43.4-1 «NP V»: agent=Source |

### Option 2 {#o2}

<!-- .ven lang=en -->
Winter hair is longer

```conllu
# sent_id = question:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey:t11:o2:1
# text = Winter hair is longer
1	Winter	Winter	PROPN	NNP	Number=Sing	2	compound	_	_
2	hair	hair	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	longer	long	ADJ	JJR	Degree=Cmp	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Winter hair |  |  |  |  | long *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Balloons are bigger in winter

```conllu
# sent_id = question:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey:t11:o3:1
# text = Balloons are bigger in winter
1	Balloons	balloon	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	bigger	big	ADJ	JJR	Degree=Cmp	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	winter	winter	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Balloons |  |  |  | winter | big *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Cold air makes each hair lighter, so it lifts up more easily

```conllu
# sent_id = question:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey:t11:o4:1
# text = Cold air makes each hair lighter, so it lifts up more easily
1	Cold	cold	ADJ	JJ	Degree=Pos	2	amod	_	_
2	air	air	NOUN	NN	Number=Sing	3	nsubj	_	_
3	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	each	each	DET	DT	PronType=Tot	5	det	_	_
5	hair	hair	NOUN	NN	Number=Sing	3	obj	_	_
6	lighter	light	ADJ	JJR	Degree=Cmp	3	xcomp	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	so	so	ADV	RB	_	10	advmod	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	lifts	lift	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	up	up	ADP	RP	_	10	compound:prt	_	_
12	more	more	ADV	RBR	Degree=Cmp	13	advmod	_	_
13	easily	easily	ADV	RB	_	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Cold air | each hair |  |  |  | light *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset hair=Product |
| 2 | **lift up** | present | air |  |  |  |  | easily *property* | vn put\_direction-9.4 «NP V NP»: agent=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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- ← previous: [Hair: growing, curly and straight, eye…, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey/t10/)
- next →: [Hair: growing, curly and straight, eye…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey/e1/)
- ↑ back to [Hair: growing, curly and straight, eyebrows, eyelashes and going grey](https://md.mova.elamur.ai/free/en/corpora/questions/biology/355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey/)