---
title: The science-fair volcano is great fun, but real volcanoes are comple… — The fizz: vinegar, lemon and soda · tree and pragmatics
description: The science-fair volcano is great fun, but real volcanoes are completely different: they erupt melted rock pushed out by hot gases from deep underground. Who acts: fair volcano, real volcanoes, particles. A sentence of the lesson «The fizz: vinegar, lemon and soda» of the chemistry course of Mova's 
---

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# The fizz: vinegar, lemon and soda, sentence 8

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The science-fair volcano is great fun, but real volcanoes are completely different: they erupt melted rock pushed out by hot gases from deep underground.

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**Who acts:** fair volcano, real volcanoes, particles · **What happens:** be, erupt, melt, push out · **To what, where:** melted rock

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This is a sentence of the lesson «The fizz: vinegar, lemon and soda» of the chemistry course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (fair volcano, real volcanoes, particles), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:018-the-fizz-vinegar-lemon-and-soda.lesson:8
# text = The science-fair volcano is great fun, but real volcanoes are completely different: they erupt melted rock pushed out by hot gases from deep underground.
# source = school lesson (ours)
# course = chemistry
# lesson = 018-the-fizz-vinegar-lemon-and-soda.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
2	science	science	NOUN	NN	Number=Sing	4	compound	_	_
3	-	-	PUNCT	HYPH	_	2	punct	_	_
4	fair	fair	ADJ	JJ	Degree=Pos	5	amod	_	_
5	volcano	volcano	NOUN	NN	Number=Sing	8	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	great	great	ADJ	JJ	Degree=Pos	8	amod	_	_
8	fun	fun	ADJ	JJ	Degree=Pos	0	root	_	_
9	,	,	PUNCT	,	_	8	punct	_	_
10	but	but	CCONJ	CC	_	15	cc	_	Agree=R1-cc-next|Haiku=8:cc
11	real	real	ADJ	JJ	Degree=Pos	12	amod	_	_
12	volcanoes	volcano	NOUN	NNS	Number=Plur	15	nsubj	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	completely	completely	ADV	RB	_	15	advmod	_	_
15	different	different	ADJ	JJ	Degree=Pos	8	conj	_	_
16	:	:	PUNCT	:	_	18	punct	_	_
17	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	18	nsubj	_	_
18	erupt	erupt	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	parataxis	_	_
19	melted	melt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	20	amod	_	_
20	rock	rock	NOUN	NN	Number=Sing	18	obj	_	_
21	pushed	push	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	20	acl	_	_
22	out	out	ADP	RP	_	21	compound:prt	_	_
23	by	by	ADP	IN	_	25	case	_	_
24	hot	hot	ADJ	JJ	Degree=Pos	25	amod	_	_
25	gases	gas	NOUN	NNS	Number=Plur	21	obl:agent	_	_
26	from	from	ADP	IN	_	27	case	_	_
27	deep	deep	ADJ	JJ	Degree=Pos	25	nmod	_	_
28	underground	underground	ADV	RB	_	21	advmod	_	_
29	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the fair volcano |  |  |  |  | fun *property* | tree rules |
| 2 | **is** | present | real volcanoes |  |  |  |  | completely, different *property* | tree rules |
| 3 | **erupt** | present | particles *= particle* | melted rock |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location rock=Theme |
| 4 | **melt** | participle |  |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 5 | **push out** | participle |  | melted rock *not said here* |  |  |  | underground *property* | vn push-12-1-1 «NP V PP»: agent=Agent |

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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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:chemistry:018-the-fizz-vinegar-lemon-and-soda.lesson:8`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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