---
title: It is mostly physics, not a new reaction: the sweets' rough skin is… — Fizzy drinks, Mentos and cola · tree and pragmatics
description: It is mostly physics, not a new reaction: the sweets' rough skin is covered in tiny pits where thousands of bubbles form all at once. Who acts: fountain, thousands. A sentence of the lesson «Fizzy drinks, Mentos and cola» of the chemistry course of Mova's primary school with its dependency tree and 
---

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# Fizzy drinks, Mentos and cola, sentence 5

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It is mostly physics, not a new reaction: the sweets' rough skin is covered in tiny pits where thousands of bubbles form all at once.

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**Who acts:** fountain, thousands · **What happens:** be, cover, form · **To what, where:** physics, rough skin

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This is a sentence of the lesson «Fizzy drinks, Mentos and cola» 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 (fountain, thousands), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:019-fizzy-drinks-mentos-and-cola.lesson:5
# text = It is mostly physics, not a new reaction: the sweets' rough skin is covered in tiny pits where thousands of bubbles form all at once.
# source = school lesson (ours)
# course = chemistry
# lesson = 019-fizzy-drinks-mentos-and-cola.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): R8-pos-agree ×1
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	mostly	mostly	ADV	RB	_	4	advmod	_	_
4	physics	physics	NOUN	NN	Number=Sing	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=NOUN:NNS:Number=Plur
5	,	,	PUNCT	,	_	9	punct	_	_
6	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	new	new	ADJ	JJ	Degree=Pos	9	amod	_	_
9	reaction	reaction	NOUN	NN	Number=Sing	4	conj	_	_
10	:	:	PUNCT	:	_	17	punct	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	sweets	sweet	NOUN	NNS	Number=Plur	15	nmod:poss	_	_
13	'	's	PART	POS	_	12	case	_	_
14	rough	rough	ADJ	JJ	Degree=Pos	15	amod	_	_
15	skin	skin	NOUN	NN	Number=Sing	17	nsubj:pass	_	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux:pass	_	_
17	covered	cover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	parataxis	_	_
18	in	in	ADP	IN	_	20	case	_	_
19	tiny	tiny	ADJ	JJ	Degree=Pos	20	amod	_	_
20	pits	pit	NOUN	NNS	Number=Plur	17	obl	_	_
21	where	where	ADV	WRB	PronType=Rel	25	advmod	_	_
22	thousands	thousand	NOUN	NNS	Number=Plur	25	nsubj	_	_
23	of	of	ADP	IN	_	24	case	_	_
24	bubbles	bubble	NOUN	NNS	Number=Plur	22	nmod	_	_
25	form	form	VERB	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	20	acl:relcl	_	_
26	all	all	ADV	RB	PronType=Tot	28	advmod	_	_
27	at	at	ADP	IN	_	28	case	_	_
28	once	once	ADV	RB	NumForm=Word|NumType=Mult	25	obl	_	_
29	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | fountain | physics and a new reaction |  |  |  | mostly *property* | tree rules |
| 2 | **cover** | present · passive |  | the sweets's rough skin |  |  |  | in tiny pits | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in pit=Theme |
| 3 | **form** | present | thousands of bubbles |  |  |  |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme at once=Location |

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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:019-fizzy-drinks-mentos-and-cola.lesson:5`.

**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): R8-pos-agree ×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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