---
title: Why might future Moon bases be built near the poles? — The Moon · tree and pragmatics
description: Why might future Moon bases be built near the poles? Test 8 of lesson 6 «The Moon» of the space 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 8 · The Moon

<!-- .ven lang=en -->
Why might future Moon bases be built near the poles?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** build · **To what, where:** poles

<!-- .vabout -->
This is test 8 of lesson 6 «The Moon» of the space 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/space/6-the-moon/#t8).

## The question {#question}

```conllu
# sent_id = question:space:6-the-moon:t8:1
# text = Why might future Moon bases be built near the poles?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
3	future	future	NOUN	NN	Number=Sing	4	compound	_	_
4	Moon	Moon	PROPN	NNP	Number=Sing	5	nsubj	_	_
5	bases	base	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
6	be	be	AUX	VB	VerbForm=Inf	7	aux:pass	_	_
7	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	near	near	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	poles	pole	NOUN	NNS	Number=Plur	7	obl	_	SpaceAfter=No
11	?	?	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **build** | present · passive |  |  |  | the poles |  |  | vn calibratable\_cos-45.6.1 «NP.attribute V» |

<!-- .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 -->
It is warmer at the poles

```conllu
# sent_id = question:space:6-the-moon:t8:o1:1
# text = It is warmer at the poles
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	warmer	warm	ADJ	JJR	Degree=Cmp	0	root	_	_
4	at	at	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	poles	pole	NOUN	NNS	Number=Plur	3	obl	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Gravity is much stronger at the poles, so it is safer

```conllu
# sent_id = question:space:6-the-moon:t8:o2:1
# text = Gravity is much stronger at the poles, so it is safer
1	Gravity	gravity	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	much	much	ADV	RB	_	4	advmod	_	_
4	stronger	strong	ADJ	JJR	Degree=Cmp	0	root	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	poles	pole	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	12	punct	_	_
9	so	so	ADV	RB	_	12	advmod	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	expl	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	safer	safe	ADJ	JJR	Degree=Cmp	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Gravity |  |  | the poles |  | strong *property* | tree rules |
| 2 | **is** | present | Gravity *not said here* |  |  |  |  | safe *property* | tree rules |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
There is water ice in shadowed craters there

```conllu
# sent_id = question:space:6-the-moon:t8:o3:1
# text = There is water ice in shadowed craters there
1	There	there	PRON	EX	PronType=Dem	2	expl	_	_
2	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	water	water	NOUN	NN	Number=Sing	4	compound	_	_
4	ice	ice	NOUN	NN	Number=Sing	2	nsubj	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	shadowed	shadow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	amod	_	_
7	craters	crater	NOUN	NNS	Number=Plur	2	obl	_	_
8	there	there	ADV	RB	PronType=Dem	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **be** | present | water ice |  |  | shadowed craters; there; there |  |  | vn exist-47.1 «NP V PP.location»: agent=Theme in crater=Location |
| 2 | **shadow** | participle |  |  |  |  |  |  | vn chase-51.6 «NP V PP.theme»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The poles are made of gold

```conllu
# sent_id = question:space:6-the-moon:t8:o4:1
# text = The poles are made of gold
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	poles	pole	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	gold	gold	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | the poles |  |  |  | of gold | vn build-26.1-1 «NP.asset V NP»: subject=Product |

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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: [The Moon, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/space/6-the-moon/t7/)
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