---
title: Mount St Helens erupted sideways, not straight up. Why? — Famous eruptions and living with volca… · tree and pragmatics
description: Mount St Helens erupted sideways, not straight up. Why? Test 8 · ★★ of lesson 47 «Famous eruptions and living with volcanoes» of the geography 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 8 · ★★ · Famous eruptions and living with volcanoes

<!-- .ven lang=en -->
Mount St Helens erupted sideways, not straight up. Why?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** Mount · **What happens:** erupt

<!-- .vabout -->
This is test 8 · ★★ of lesson 47 «Famous eruptions and living with volcanoes» of the geography 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/geography/47-famous-eruptions-and-living-with-volcanoes/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* Mount St Helens erupted sideways, not straight up.

```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:1
# text = Mount St Helens erupted sideways, not straight up.
1	Mount	Mount	PROPN	NNP	Number=Sing	4	nsubj	_	_
2	St	St	PROPN	NNP	Number=Sing	1	flat	_	_
3	Helens	Helens	PROPN	NNP	Number=Sing	1	flat	_	_
4	erupted	erupt	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
5	sideways	sideways	ADV	RB	_	4	advmod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
8	straight	straight	ADV	RB	_	9	advmod	_	_
9	up	up	ADV	RB	_	4	advmod	_	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **erupt** | past | Mount |  |  |  |  | sideways *property* | vn appear-48.1.1 «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.

<!-- .note -->
*Sentence 2:* Why?

```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:2
# text = Why?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	SpaceAfter=No
2	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Its top had been dug away by miners

```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:o1:1
# text = Its top had been dug away by miners
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	top	top	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
3	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux	_	_
4	been	be	AUX	VBN	Tense=Past|VerbForm=Part	5	aux:pass	_	_
5	dug	dig	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	away	away	ADV	RB	_	5	advmod	_	_
7	by	by	ADP	IN	_	8	case	_	_
8	miners	miner	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dig away** | past · perfect · passive | miners | Its top |  |  |  | away *property* | vn poke-19-1-1-1 «NP V NP.theme»: agent=Agent subject=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It erupted under a lake

```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:o2:1
# text = It erupted under a lake
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	erupted	erupt	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	under	under	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	lake	lake	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **erupt** | past | It |  |  | a lake |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme under lake=Location |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Its north side collapsed in a landslide, letting the blast out sideways

```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:o3:1
# text = Its north side collapsed in a landslide, letting the blast out sideways
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	3	nmod:poss	_	_
2	north	north	ADJ	JJ	Degree=Pos	3	amod	_	_
3	side	side	NOUN	NN	Number=Sing	4	nsubj	_	_
4	collapsed	collapse	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	landslide	landslide	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	_	_
9	letting	let	VERB	VBG	Tense=Pres|VerbForm=Part	4	advcl	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	blast	blast	NOUN	NN	Number=Sing	9	obj	_	_
12	out	out	ADP	RP	_	9	compound:prt	_	_
13	sideways	sideways	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **collapse** | past | Its north side |  |  | a landslide |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **let out** | gerund | Its north side *not said here* | the blast |  |  |  | sideways *property* | vn give-13.1-1 «NP V NP»: agent=Agent blast=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
It was hit by a strong wind that bent the column of ash right over

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:geography:47-famous-eruptions-and-living-with-volcanoes:t8:o4:1
# text = It was hit by a strong wind that bent the column of ash right over
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	hit	hit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	strong	strong	ADJ	JJ	Degree=Pos	7	amod	_	_
7	wind	wind	NOUN	NN	Number=Sing	3	obl:agent	_	_
8	that	that	PRON	WDT	PronType=Rel	9	nsubj	_	_
9	bent	bend	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	7	acl:relcl	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	column	column	NOUN	NN	Number=Sing	9	obj	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	ash	ash	NOUN	NN	Number=Sing	11	nmod	_	_
14	right	right	ADV	RB	_	15	advmod	_	_
15	over	over	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hit** | past · passive | a strong wind | It |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme subject=Co-Theme |
| 2 | **bend** | past | a strong wind | the column of ash |  |  |  | over *property* | vn knead-26.5 «NP V NP.material»: agent=Agent column=Material |

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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: [Famous eruptions and living with volca…, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/geography/47-famous-eruptions-and-living-with-volcanoes/t7/)
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- ↑ back to [Famous eruptions and living with volcanoes](https://md.mova.elamur.ai/free/en/corpora/questions/geography/47-famous-eruptions-and-living-with-volcanoes/)