---
title: Fluoride in toothpaste helps make enamel stronger. — Teeth and their care · tree and pragmatics
description: Fluoride in toothpaste helps make enamel stronger. Who acts: Fluoride. A sentence of the lesson «Teeth and their care» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Teeth and their care, sentence 17

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Fluoride in toothpaste helps make enamel stronger.

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**Who acts:** Fluoride · **What happens:** help, make · **To what, where:** enamel

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This is a sentence of the lesson «Teeth and their care» of the world 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 (Fluoride), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:035-teeth-and-care.lesson:17
# text = Fluoride in toothpaste helps make enamel stronger.
# source = school lesson (ours)
# course = world
# lesson = 035-teeth-and-care.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): no change
1	Fluoride	fluoride	NOUN	NN	Number=Sing	4	nsubj	_	_
2	in	in	ADP	IN	_	3	case	_	_
3	toothpaste	toothpaste	NOUN	NN	Number=Sing	1	nmod	_	_
4	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	make	make	VERB	VB	VerbForm=Inf	4	xcomp	_	_
6	enamel	enamel	NOUN	NN	Number=Sing	5	obj	_	_
7	stronger	strong	ADJ	JJR	Degree=Cmp	5	xcomp	_	_
8	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | Fluoride in toothpaste |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 2 | **make** | infinitive | Fluoride in toothpaste *not said here* | enamel |  |  |  | strong *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset enamel=Product |

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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:world:035-teeth-and-care.lesson:17`.

**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): no change. **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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