---
title: Tooth decay is the most common reason children in the UK need an ope… — Sugar, teeth and the dentist · tree and pragmatics
description: Tooth decay is the most common reason children in the UK need an operation in hospital, usually to remove teeth. Who acts: Tooth decay, children. A sentence of the lesson «Sugar, teeth and the dentist» of the medicine course of Mova's primary school with its dependency tree and the pragmatics of eve
---

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# Sugar, teeth and the dentist, sentence 14

<!-- .ven lang=en -->
Tooth decay is the most common reason children in the UK need an operation in hospital, usually to remove teeth.

<!-- .vintro -->
**Who acts:** Tooth decay, children · **What happens:** be, need, remove · **To what, where:** common reason, operation, hospital, teeth

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This is a sentence of the lesson «Sugar, teeth and the dentist» of the medicine 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 (Tooth decay, children), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:024-sugar-teeth-and-the-dentist.lesson:14
# text = Tooth decay is the most common reason children in the UK need an operation in hospital, usually to remove teeth.
# source = school lesson (ours)
# course = medicine
# lesson = 024-sugar-teeth-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): R5-strong ×1
1	Tooth	tooth	NOUN	NN	Number=Sing	2	compound	_	_
2	decay	decay	NOUN	NN	Number=Sing	7	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
5	most	most	ADV	RBS	Degree=Sup	6	advmod	_	_
6	common	common	ADJ	JJ	Degree=Pos	7	amod	_	_
7	reason	reason	NOUN	NN	Number=Sing	0	root	_	_
8	children	child	NOUN	NNS	Number=Plur	12	nsubj	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	UK	UK	PROPN	NNP	Number=Sing	8	nmod	_	_
12	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
13	an	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	operation	operation	NOUN	NN	Number=Sing	12	obj	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	hospital	hospital	NOUN	NN	Number=Sing	14	nmod	_	Agree=R5-strong|Haiku=12:obl
17	,	,	PUNCT	,	_	20	punct	_	_
18	usually	usually	ADV	RB	_	20	advmod	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	remove	remove	VERB	VB	VerbForm=Inf	12	advcl	_	_
21	teeth	tooth	NOUN	NNS	Number=Plur	20	obj	_	_
22	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | Tooth decay | the common reason |  |  |  |  | tree rules |
| 2 | **need** | present | children in the UK | a operation |  | hospital |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot operation=Theme |
| 3 | **remove** | to-infinitive | children in the UK *not said here* | teeth |  |  |  | usually *property* | vn fire-10.10 «NP V NP»: agent=Agent tooth=Theme |

<!-- .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.

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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:medicine:024-sugar-teeth-and-the-dentist.lesson:14`.

**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): R5-strong ×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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