---
title: Picture a beach where hermit crabs line up by size beside one big em… — Unusual pets: stick insects, giant snails, ant f… · tree and pragmatics
description: Picture a beach where hermit crabs line up by size beside one big empty shell. Who acts: you, hermit crabs. A sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» of the biology course of Mova's primary school with its dependency tree and the pragmatics of e
---

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# Unusual pets: stick insects, giant snails, ant farms and hermit crabs, sentence 5

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Picture a beach where hermit crabs line up by size beside one big empty shell.

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**Who acts:** you, hermit crabs · **What happens:** picture, line up · **To what, where:** beach, one big empty shell

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This is a sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» 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 (you, hermit crabs), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.lesson:5
# text = Picture a beach where hermit crabs line up by size beside one big empty shell.
# source = school lesson (ours)
# course = biology
# lesson = 330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.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, R8-pos-agree ×1
1	Picture	picture	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	beach	beach	NOUN	NN	Number=Sing	1	obj	_	_
4	where	where	ADV	WRB	PronType=Rel	7	advmod	_	_
5	hermit	hermit	NOUN	NN	Number=Sing	6	compound	_	_
6	crabs	crab	NOUN	NNS	Number=Plur	7	nsubj	_	Agree=R7-rel-agree|Haiku=7:compound
7	line	line	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	Agree=R8-pos-agree|Haiku=3:acl:relcl|HaikuPos=NOUN:NN:Number=Sing
8	up	up	ADP	RP	_	7	compound:prt	_	_
9	by	by	ADP	IN	_	10	case	_	_
10	size	size	NOUN	NN	Number=Sing	7	obl	_	_
11	beside	beside	ADP	IN	_	15	case	_	_
12	one	one	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
13	big	big	ADJ	JJ	Degree=Pos	15	amod	_	_
14	empty	empty	ADJ	JJ	Degree=Pos	15	amod	_	_
15	shell	shell	NOUN	NN	Number=Sing	7	obl	_	_
16	.	.	PUNCT	.	_	1	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: command
- act: request
- 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 | **picture** | imperative | you *not said here* | a beach |  |  |  |  | vn characterize-29.2 «NP V NP S\_ING»: agent=Agent beach=Theme |
| 2 | **line up** | present | hermit crabs |  |  | one big empty shell |  | by size | vn fill-9.8-1 «NP V NP.destination»: agent=Agent |

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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:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.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): R7-rel-agree ×1, 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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- ← previous: [Unusual pets: stick insects, giant sna…, 4](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/4/)
- next →: [Unusual pets: stick insects, giant sna…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/6/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/)

