---
title: What would happen to the width of a one-hour time zone if the Earth… — Time zones: why it's night in Sydney w… · tree and pragmatics
description: What would happen to the width of a one-hour time zone if the Earth spun once every 12 hours? Test 10 · ★★ of lesson 120 «Time zones: why it's night in Sydney when it's day in London» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each op
---

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# Test 10 · ★★ · Time zones: why it's night in Sydney when it's day in London

<!-- .ven lang=en -->
What would happen to the width of a one-hour time zone if the Earth spun once every 12 hours?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 1 · wrong ✗ · **Who acts:** Earth · **What happens:** happen, spin

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This is test 10 · ★★ of lesson 120 «Time zones: why it's night in Sydney when it's day in London» 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/120-time-zones/#t10).

## The question {#question}

```conllu
# sent_id = question:world:120-time-zones:t10:1
# text = What would happen to the width of a one-hour time zone if the Earth spun once every 12 hours?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	width	width	NOUN	NN	Number=Sing	3	obl	_	_
7	of	of	ADP	IN	_	13	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
9	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	SpaceAfter=No
10	-	-	PUNCT	HYPH	_	9	punct	_	SpaceAfter=No
11	hour	hour	NOUN	NN	Number=Sing	12	compound	_	_
12	time	time	NOUN	NN	Number=Sing	13	compound	_	_
13	zone	zone	NOUN	NN	Number=Sing	6	nmod	_	_
14	if	if	SCONJ	IN	_	17	mark	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	Earth	Earth	PROPN	NNP	Number=Sing	17	nsubj	_	_
17	spun	spin	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
18	once	once	ADV	RB	NumForm=Word|NumType=Mult	17	advmod	_	_
19	every	every	DET	DT	PronType=Tot	21	det	_	_
20	12	12	NUM	CD	NumForm=Digit|NumType=Card	21	nummod	_	_
21	hours	hour	NOUN	NNS	Number=Plur	17	obl:unmarked	_	SpaceAfter=No
22	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  | to the width of a time zone | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **spin** *a condition, not said to happen* | past | the Earth |  |  |  | hour | once *property* | vn roll-51.3.1 «NP.theme V»: agent=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.

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It would be about 30 degrees wide

```conllu
# sent_id = question:world:120-time-zones:t10:o1:1
# text = It would be about 30 degrees wide
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	6	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	6	cop	_	_
4	about	about	ADV	RB	_	5	advmod	_	_
5	30	30	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
6	degrees	degree	NOUN	NNS	Number=Plur	0	root	_	_
7	wide	wide	ADJ	JJ	Degree=Pos	6	amod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | would | It | 30 degrees |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It would shrink to about 7 degrees

```conllu
# sent_id = question:world:120-time-zones:t10:o2:1
# text = It would shrink to about 7 degrees
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	shrink	shrink	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	7	case	_	_
5	about	about	ADV	RB	_	6	advmod	_	_
6	7	7	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
7	degrees	degree	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shrink** | would | It |  |  |  |  | to 7 degrees *result* | vn bend-45.2 «NP V NP PP.result»: agent=Agent to degree=Result |

### Option 3 {#o3}

<!-- .ven lang=en -->
Time zones would disappear altogether

```conllu
# sent_id = question:world:120-time-zones:t10:o3:1
# text = Time zones would disappear altogether
1	Time	time	NOUN	NN	Number=Sing	2	compound	_	_
2	zones	zone	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	disappear	disappear	VERB	VB	VerbForm=Inf	0	root	_	_
5	altogether	altogether	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **disappear** | would | Time zones |  |  |  |  | altogether *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
It would stay 15 degrees wide, as now

```conllu
# sent_id = question:world:120-time-zones:t10:o4:1
# text = It would stay 15 degrees wide, as now
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	stay	stay	VERB	VB	VerbForm=Inf	0	root	_	_
4	15	15	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
5	degrees	degree	NOUN	NNS	Number=Plur	3	obl	_	_
6	wide	wide	ADV	RB	_	3	advmod	_	SpaceAfter=No
7	,	,	PUNCT	,	_	3	punct	_	_
8	as	as	ADP	IN	_	9	case	_	_
9	now	now	ADV	RB	PronType=Dem	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | would | It | 15 degrees |  |  |  | wide *property* | vn exist-47.1 «NP V»: agent=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.

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- ← previous: [Time zones: why it's night in Sydney w…, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/world/120-time-zones/t9/)
- next →: [Time zones: why it's night in Sydney w…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/world/120-time-zones/t11/)
- ↑ back to [Time zones: why it's night in Sydney when it's day in London](https://md.mova.elamur.ai/free/en/corpora/questions/world/120-time-zones/)