---
title: why's the sky go dark at night anyway — Day and night · tree and pragmatics
description: why's the sky go dark at night anyway Test 10 of lesson 1 «Day and night» 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 wrong.
---

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# Test 10 · Day and night

<!-- .ven lang=en -->
why's the sky go dark at night anyway

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

<!-- .vabout -->
This is test 10 of lesson 1 «Day and night» 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/1-day-and-night/#t10).

## The question {#question}

```conllu
# sent_id = question:world:1-day-and-night:t10:1
# text = why's the sky go dark at night anyway
1	why	why	ADV	WRB	PronType=Int	5	advmod	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	sky	sky	NOUN	NN	Number=Sing	5	nsubj	_	_
5	go	go	VERB	VB	VerbForm=Inf	0	root	_	_
6	dark	dark	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	night	night	NOUN	NN	Number=Sing	5	obl	_	_
9	anyway	anyway	ADV	RB	_	5	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go** | present | the sky |  |  |  | night | anyway, dark *property* | vn disappearance-48.2-1 «NP 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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The Sun goes behind the mountains to rest for the night

```conllu
# sent_id = question:world:1-day-and-night:t10:o1:1
# text = The Sun goes behind the mountains to rest for the night
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	behind	behind	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	mountains	mountain	NOUN	NNS	Number=Plur	3	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	rest	rest	VERB	VB	VerbForm=Inf	3	advcl	_	_
9	for	for	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	night	night	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go** | present | the Sun |  |  | the mountains |  |  | vn occur-48.3-2 «NP V PP»: agent=Theme behind mountain=Location |
| 2 | **rest** | to-infinitive | the Sun *not said here* |  |  |  | night |  | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The Moon blocks the Sun every evening

```conllu
# sent_id = question:world:1-day-and-night:t10:o2:1
# text = The Moon blocks the Sun every evening
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	blocks	block	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Sun	Sun	PROPN	NNP	Number=Sing	3	obj	_	_
6	every	every	DET	DT	PronType=Tot	7	det	_	_
7	evening	evening	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **block** | present | the Moon | the Sun |  |  | evening |  | vn forbid-64.4-1 «NP V NP»: agent=Causer sun=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
The Sun runs out of light at the end of the day

```conllu
# sent_id = question:world:1-day-and-night:t10:o3:1
# text = The Sun runs out of light at the end of the day
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	runs	run	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	out	out	ADP	IN	_	6	case	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	light	light	NOUN	NN	Number=Sing	3	obl	_	_
7	at	at	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	end	end	NOUN	NN	Number=Sing	3	obl	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	day	day	NOUN	NN	Number=Sing	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **run** | present | the Sun |  |  | light | at the end of the day |  | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme out light=Trajectory |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Our side of the Earth has turned away from the Sun

```conllu
# sent_id = question:world:1-day-and-night:t10:o4:1
# text = Our side of the Earth has turned away from the Sun
1	Our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	side	side	NOUN	NN	Number=Sing	7	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Earth	Earth	PROPN	NNP	Number=Sing	2	nmod	_	_
6	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
7	turned	turn	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
8	away	away	ADV	RB	_	7	advmod	_	_
9	from	from	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Sun	Sun	PROPN	NNP	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn away** | present · perfect | Our side of the Earth |  |  | the Sun |  | away *property* | vn banish-10.2 «NP V NP PP.source»: agent=Agent from sun=Source |

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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: [Day and night, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/world/1-day-and-night/t9/)
- next →: [Day and night, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/world/1-day-and-night/t11/)
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