---
title: Even sugar-free fizzy drinks are acidic and can soften enamel; water… — Teeth: enamel, sugar, holes, brushing and the de… · tree and pragmatics
description: Even sugar-free fizzy drinks are acidic and can soften enamel; water and milk are the safest drinks for teeth. Who acts: free fizzy drinks, water. A sentence of the lesson «Teeth: enamel, sugar, holes, brushing and the dentist» of the biology course of Mova's primary school with its dependency tree 
---

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# Teeth: enamel, sugar, holes, brushing and the dentist, sentence 13

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Even sugar-free fizzy drinks are acidic and can soften enamel; water and milk are the safest drinks for teeth.

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**Who acts:** free fizzy drinks, water · **What happens:** be, soften · **To what, where:** enamel, safest drinks

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This is a sentence of the lesson «Teeth: enamel, sugar, holes, brushing and the dentist» of the biology 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 (free fizzy drinks, water), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:352-teeth-enamel-sugar-holes-brushing-and-the-dentist.lesson:13
# text = Even sugar-free fizzy drinks are acidic and can soften enamel; water and milk are the safest drinks for teeth.
# source = school lesson (ours)
# course = biology
# lesson = 352-teeth-enamel-sugar-holes-brushing-and-the-dentist.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): R7-rel-agree ×1
1	Even	even	ADV	RB	_	6	advmod	_	_
2	sugar	sugar	NOUN	NN	Number=Sing	4	compound	_	_
3	-	-	PUNCT	HYPH	_	2	punct	_	_
4	free	free	ADJ	JJ	Degree=Pos	6	amod	_	_
5	fizzy	fizzy	ADJ	JJ	Degree=Pos	6	amod	_	_
6	drinks	drink	NOUN	NNS	Number=Plur	8	nsubj	_	_
7	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	acidic	acidic	ADJ	JJ	Degree=Pos	0	root	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	soften	soften	VERB	VB	VerbForm=Inf	8	conj	_	_
12	enamel	enamel	NOUN	NN	Number=Sing	11	obj	_	_
13	;	;	PUNCT	,	_	20	punct	_	_
14	water	water	NOUN	NN	Number=Sing	20	nsubj	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	milk	milk	NOUN	NN	Number=Sing	14	conj	_	_
17	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	20	cop	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
19	safest	safe	ADJ	JJS	Degree=Sup	20	amod	_	_
20	drinks	drink	NOUN	NNS	Number=Plur	8	parataxis	_	Agree=R7-rel-agree|Haiku=8:conj
21	for	for	ADP	IN	_	22	case	_	_
22	teeth	tooth	NOUN	NNS	Number=Plur	20	nmod	_	_
23	.	.	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 | free fizzy drinks |  |  |  |  | acidic *property* | tree rules |
| 2 | **soften** | can | free fizzy drinks *not said here* | enamel |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent enamel=Patient |
| 3 | **is a** | present | water and milk | the safest drinks |  |  |  | for teeth | tree rules |

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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:biology:352-teeth-enamel-sugar-holes-brushing-and-the-dentist.lesson:13`.

**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): R7-rel-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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- next →: [Teeth: enamel, sugar, holes, brushing…, 14](https://md.mova.elamur.ai/free/en/corpora/school/biology/352-teeth-enamel-sugar-holes-brushing-and-the-dentist/14/)
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