---
title: "the science-fair volcano is EXACTLY how Vesuvius works" says Josh.… — The fizz: vinegar, lemon and soda · tree and pragmatics
description: "the science-fair volcano is EXACTLY how Vesuvius works" says Josh. What's true? Test 2 · ★★ of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry 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 2 · ★★ · The fizz: vinegar, lemon and soda

<!-- .ven lang=en -->
"the science-fair volcano is EXACTLY how Vesuvius works" says Josh. What's true?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** Vesuvius, Josh · **What happens:** be, say · **Speech:** someone speaks here

<!-- .vabout -->
This is test 2 · ★★ of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry 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/chemistry/18-the-fizz-vinegar-lemon-and-soda/#t2).

## The question {#question}

<!-- .note -->
*Sentence 1:* "the science-fair volcano is EXACTLY how Vesuvius works" says Josh.

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:1
# text = "the science-fair volcano is EXACTLY how Vesuvius works" says Josh.
1	"	"	PUNCT	``	_	13	punct	_	SpaceAfter=No
2	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
3	science	science	NOUN	NN	Number=Sing	5	compound	_	SpaceAfter=No
4	-	-	PUNCT	HYPH	_	3	punct	_	SpaceAfter=No
5	fair	fair	ADJ	JJ	Degree=Pos	6	amod	_	_
6	volcano	volcano	NOUN	NN	Number=Sing	13	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
8	EXACTLY	exactly	ADV	RB	_	9	advmod	_	_
9	how	how	ADV	WRB	PronType=Int	11	advmod	_	_
10	Vesuvius	Vesuvius	PROPN	NNP	Number=Sing	11	nsubj	_	_
11	works	work	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	SpaceAfter=No
12	"	"	PUNCT	''	_	11	punct	_	_
13	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
14	Josh	Josh	PROPN	NNP	Number=Sing	13	nsubj	_	SpaceAfter=No
15	.	.	PUNCT	.	_	13	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** *in a quote* | present | Vesuvius |  |  |  |  | work *property* | tree rules |
| 2 | **say** *speech: assert* | present | Josh |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: 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.

<!-- .note -->
*Sentence 2:* What's true?

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:2
# text = What's true?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	SpaceAfter=No
2	's	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 |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Real volcanoes are powered by soap

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:o1:1
# text = Real volcanoes are powered by soap
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	volcanoes	volcano	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	powered	power	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	soap	soap	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **power** | present · passive | soap | Real volcanoes |  |  |  |  | tree rules |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Real volcanoes erupt melted rock and gas

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:o2:1
# text = Real volcanoes erupt melted rock and gas
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	volcanoes	volcano	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	erupt	erupt	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	melted	melt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	_
5	rock	rock	NOUN	NN	Number=Sing	3	obj	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	gas	gas	NOUN	NN	Number=Sing	5	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **erupt** | present | Real volcanoes | melted rock and gas |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location rock=Theme |
| 2 | **melt** | participle |  |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
He's right, a real one is just a lot bigger

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:o3:1
# text = He's right, a real one is just a lot bigger
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	11	punct	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	real	real	ADJ	JJ	Degree=Pos	7	amod	_	_
7	one	one	NOUN	NN	Number=Sing	11	nsubj	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
9	just	just	ADV	RB	_	11	advmod	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	lot	lot	NOUN	NN	Number=Sing	3	obl	_	_
12	bigger	big	ADJ	JJR	Degree=Cmp	11	amod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | He |  |  |  |  | right *property* | tree rules |
| 2 | **is a** | present | a real one | a lot |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Real volcanoes use lemon juice

```conllu
# sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t2:o4:1
# text = Real volcanoes use lemon juice
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	volcanoes	volcano	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	lemon	lemon	NOUN	NN	Number=Sing	5	compound	_	_
5	juice	juice	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | present | Real volcanoes | lemon juice |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent juice=Patient |

<!-- div src -->

**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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