---
title: Which is true? — The Moon and its phases · tree and pragmatics
description: Which is true? Test 2 · ★ of lesson 3 «The Moon and its phases» 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 2 · ★ · The Moon and its phases

<!-- .ven lang=en -->
Which is true?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** be

<!-- .vabout -->
This is test 2 · ★ of lesson 3 «The Moon and its phases» 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/3-the-moon-and-its-phases/#t2).

## The question {#question}

```conllu
# sent_id = question:world:3-the-moon-and-its-phases:t2:1
# text = Which is true?
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	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The Moon is a different size each night

```conllu
# sent_id = question:world:3-the-moon-and-its-phases:t2:o1:1
# text = The Moon is a different size each night
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	different	different	ADJ	JJ	Degree=Pos	6	amod	_	_
6	size	size	NOUN	NN	Number=Sing	0	root	_	_
7	each	each	DET	DT	PronType=Tot	8	det	_	_
8	night	night	NOUN	NN	Number=Sing	6	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the Moon | a different size |  |  | night |  | tree rules |

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

<!-- .ven lang=en -->
The Moon's phases happen because we see its sunlit half from different angles

```conllu
# sent_id = question:world:3-the-moon-and-its-phases:t2:o2:1
# text = The Moon's phases happen because we see its sunlit half from different angles
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	phases	phase	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	because	because	SCONJ	IN	_	8	mark	_	_
7	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	8	nsubj	_	_
8	see	see	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	5	advcl	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
10	sunlit	sunlit	ADJ	JJ	Degree=Pos	11	amod	_	_
11	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	8	obj	_	_
12	from	from	ADP	IN	_	14	case	_	_
13	different	different	ADJ	JJ	Degree=Pos	14	amod	_	_
14	angles	angle	NOUN	NNS	Number=Plur	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present | the Moon's phases |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **see** | present | we | Moon's sunlit half |  | different angles |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer half=Stimulus |

### Option 3 {#o3}

<!-- .ven lang=en -->
The Moon makes its own light, which flickers

```conllu
# sent_id = question:world:3-the-moon-and-its-phases:t2:o3:1
# text = The Moon makes its own light, which flickers
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
5	own	own	ADJ	JJ	Degree=Pos	6	amod	_	_
6	light	light	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	which	which	PRON	WDT	PronType=Rel	9	nsubj	_	_
9	flickers	flicker	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | the Moon | Moon's own light |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent light=Product |
| 2 | **flicker** | present | Moon's own light |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 3 | **light** |  | Moon |  |  |  |  |  | nom light «phenomenon transitive»: poss=agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The Earth's shadow makes the phases each month

```conllu
# sent_id = question:world:3-the-moon-and-its-phases:t2:o4:1
# text = The Earth's shadow makes the phases each month
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	shadow	shadow	NOUN	NN	Number=Sing	5	nsubj	_	_
5	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	phases	phase	NOUN	NNS	Number=Plur	5	obj	_	_
8	each	each	DET	DT	PronType=Tot	9	det	_	_
9	month	month	NOUN	NN	Number=Sing	5	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | the Earth's shadow | the phases |  |  | month |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset phase=Product |
| 2 | **shadow** |  | the Earth |  |  |  |  |  | nom shadow «state transitive»: poss=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: [The Moon and its phases, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/3-the-moon-and-its-phases/t1/)
- next →: [The Moon and its phases, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/3-the-moon-and-its-phases/t3/)
- ↑ back to [The Moon and its phases](https://md.mova.elamur.ai/free/en/corpora/questions/world/3-the-moon-and-its-phases/)