---
title: Ascertain the distinction held by Olympus Mons. — Mars · tree and pragmatics
description: Ascertain the distinction held by Olympus Mons. Exam question 4 of lesson 8 «Mars» 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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# Exam question 4 · Mars

<!-- .ven lang=en -->
Ascertain the distinction held by Olympus Mons.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you · **What happens:** ascertain, hold · **To what, where:** distinction

<!-- .vabout -->
This is exam question 4 of lesson 8 «Mars» of the space course of Mova's primary school, asked in stiff, formal language. 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/8-mars/#e4).

## The question {#question}

```conllu
# sent_id = question:space:8-mars:e4:1
# text = Ascertain the distinction held by Olympus Mons.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	distinction	distinction	NOUN	NN	Number=Sing	1	obj	_	_
4	held	hold	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	Olympus	Olympus	PROPN	NNP	Number=Sing	7	compound	_	_
7	Mons	Mons	PROPN	NNP	Number=Plur	4	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the distinction |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent distinction=Topic |
| 2 | **hold** | participle |  | the distinction *not said here* |  |  |  | by Olympus Mons | vn exist-47.1 «NP V PP.location»: agent=Theme by mons=Location |

<!-- .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 {#o1}

<!-- .ven lang=en -->
It is the largest moon of Mars

```conllu
# sent_id = question:space:8-mars:e4:o1:1
# text = It is the largest moon of Mars
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	largest	large	ADJ	JJS	Degree=Sup	5	amod	_	_
5	moon	moon	NOUN	NN	Number=Sing	0	root	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	Mars	Mars	PROPN	NNP	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the largest moon |  |  |  | of Mars | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is the deepest canyon in the whole Solar System

```conllu
# sent_id = question:space:8-mars:e4:o2:1
# text = It is the deepest canyon in the whole Solar System
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	deepest	deep	ADJ	JJS	Degree=Sup	5	amod	_	_
5	canyon	canyon	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	10	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
8	whole	whole	ADJ	JJ	Degree=Pos	10	amod	_	_
9	Solar	Solar	PROPN	NNP	Number=Sing	10	compound	_	_
10	System	System	PROPN	NNP	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the deepest canyon |  | the whole Solar System |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is the largest impact crater upon Mars

```conllu
# sent_id = question:space:8-mars:e4:o3:1
# text = It is the largest impact crater upon Mars
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
4	largest	large	ADJ	JJS	Degree=Sup	6	amod	_	_
5	impact	impact	NOUN	NN	Number=Sing	6	compound	_	_
6	crater	crater	NOUN	NN	Number=Sing	0	root	_	_
7	upon	upon	ADP	IN	_	8	case	_	_
8	Mars	Mars	PROPN	NNP	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the largest impact crater |  |  |  | upon Mars | tree rules |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
It is the tallest volcano in the Solar System

```conllu
# sent_id = question:space:8-mars:e4:o4:1
# text = It is the tallest volcano in the Solar System
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	tallest	tall	ADJ	JJS	Degree=Sup	5	amod	_	_
5	volcano	volcano	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	Solar	Solar	PROPN	NNP	Number=Sing	9	compound	_	_
9	System	System	PROPN	NNP	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | the tallest volcano |  | the Solar System |  |  | tree rules |

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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: [Mars, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/space/8-mars/e3/)
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