---
title: Why did landers on Venus stop working so quickly? — Venus · tree and pragmatics
description: Why did landers on Venus stop working so quickly? Test 3 · ★ of lesson 4 «Venus» 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 right.
---

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# Test 3 · ★ · Venus

<!-- .ven lang=en -->
Why did landers on Venus stop working so quickly?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** landers · **What happens:** work

<!-- .vabout -->
This is test 3 · ★ of lesson 4 «Venus» 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/4-venus/#t3).

## The question {#question}

```conllu
# sent_id = question:space:4-venus:t3:1
# text = Why did landers on Venus stop working so quickly?
1	Why	why	ADV	WRB	PronType=Int	7	advmod	_	_
2	did	do	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	7	aux	_	_
3	landers	lander	NOUN	NNS	Number=Plur	7	nsubj	_	_
4	on	on	ADP	IN	_	5	case	_	_
5	Venus	Venus	PROPN	NNP	Number=Sing	3	nmod	_	_
6	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
7	working	work	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
8	so	so	ADV	RB	_	9	advmod	_	_
9	quickly	quickly	ADV	RB	_	7	advmod	_	SpaceAfter=No
10	?	?	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | past · do-support | landers on Venus |  |  |  |  | quickly *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 -->
The heat and crushing pressure destroyed them

```conllu
# sent_id = question:space:4-venus:t3:o1:1
# text = The heat and crushing pressure destroyed them
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	heat	heat	NOUN	NN	Number=Sing	6	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	crushing	crush	VERB	VBG	Tense=Pres|VerbForm=Part	2	conj	_	_
5	pressure	pressure	NOUN	NN	Number=Sing	4	obj	_	_
6	destroyed	destroy	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
7	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **crush** | gerund | the heat *not said here* | pressure |  |  |  |  | vn carve-21.2-1 «NP V NP»: agent=Agent pressure=Patient |
| 2 | **destroy** | past | the heat | them *= they* |  |  |  |  | vn destroy-44 «NP V NP»: agent=Agent they=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Volcanoes buried them on landing

```conllu
# sent_id = question:space:4-venus:t3:o2:1
# text = Volcanoes buried them on landing
1	Volcanoes	volcano	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	buried	bury	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obj	_	_
4	on	on	ADP	IN	_	5	case	_	_
5	landing	landing	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bury** | past | Volcanoes | them *= they* |  | landing |  |  | vn put-9.1-1 «NP V NP PP.destination»: agent=Agent they=Theme on landing=Destination |

### Option 3 {#o3}

<!-- .ven lang=en -->
They could not find any light

```conllu
# sent_id = question:space:4-venus:t3:o3:1
# text = They could not find any light
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	find	find	VERB	VB	VerbForm=Inf	0	root	_	_
5	any	any	DET	DT	PronType=Ind	6	det	_	_
6	light	light	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **find** | could | They | any light |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent light=Topic |

### Option 4 {#o4}

<!-- .ven lang=en -->
Acid rain dissolved their parachutes in space

```conllu
# sent_id = question:space:4-venus:t3:o4:1
# text = Acid rain dissolved their parachutes in space
1	Acid	acid	NOUN	NN	Number=Sing	2	compound	_	_
2	rain	rain	NOUN	NN	Number=Sing	3	nsubj	_	_
3	dissolved	dissolve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	parachutes	parachute	NOUN	NNS	Number=Plur	3	obj	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	space	space	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dissolve** | participle | Acid rain | their parachutes |  | space |  |  | vn break-45.1 «NP V NP»: agent=Agent parachute=Patient |

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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: [Venus, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t2/)
- next →: [Venus, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t4/)
- ↑ back to [Venus](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/)