---
title: A snail eats with a ribbon covered in thousands of tiny teeth that s… — Worms, snails and slugs · tree and pragmatics
description: A snail eats with a ribbon covered in thousands of tiny teeth that scrapes food like a file. Who acts: snail, tiny teeth. A sentence of the lesson «Worms, snails and slugs» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Worms, snails and slugs, sentence 13

<!-- .ven lang=en -->
A snail eats with a ribbon covered in thousands of tiny teeth that scrapes food like a file.

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**Who acts:** snail, tiny teeth · **What happens:** eat, cover, scrape · **To what, where:** ribbon, food

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This is a sentence of the lesson «Worms, snails and slugs» 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 (snail, tiny teeth), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:217-worms-snails-and-slugs.lesson:13
# text = A snail eats with a ribbon covered in thousands of tiny teeth that scrapes food like a file.
# source = school lesson (ours)
# course = biology
# lesson = 217-worms-snails-and-slugs.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	snail	snail	NOUN	NN	Number=Sing	3	nsubj	_	_
3	eats	eat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	ribbon	ribbon	NOUN	NN	Number=Sing	3	obl	_	_
7	covered	cover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	thousands	thousand	NOUN	NNS	Number=Plur	7	obl	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	tiny	tiny	ADJ	JJ	Degree=Pos	12	amod	_	_
12	teeth	tooth	NOUN	NNS	Number=Plur	9	nmod	_	_
13	that	that	PRON	WDT	PronType=Rel	14	nsubj	_	_
14	scrapes	scrape	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	acl:relcl	_	_
15	food	food	NOUN	NN	Number=Sing	14	obj	_	_
16	like	like	ADP	IN	_	18	case	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	file	file	NOUN	NN	Number=Sing	14	obl	_	_
19	.	.	PUNCT	.	_	3	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 | **eat** | present | a snail |  |  |  |  | with a ribbon | vn eat-39.1-1 «NP V»: agent=Agent |
| 2 | **cover** | participle |  | a ribbon *not said here* |  |  |  | in thousands of tiny teeth | vn fill-9.8-1 «NP V NP PP.theme»: agent=Agent in thousand=Theme |
| 3 | **scrape** | present | tiny teeth | food |  |  |  | like a file | vn cut-21.1-1 «NP V NP»: agent=Agent food=Patient |

<!-- .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:biology:217-worms-snails-and-slugs.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): 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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- ← previous: [Worms, snails and slugs, 12](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/12/)
- next →: [Worms, snails and slugs, 14](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/14/)
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