---
title: Adelie and gentoo penguins build nests of pebbles that keep eggs out… — The penguin pool · tree and pragmatics
description: Adelie and gentoo penguins build nests of pebbles that keep eggs out of meltwater and mud; bare stones are scarce there, and they sometimes steal pebbles from their neighbours. Who acts: Adelie penguins, pebbles, bare stones, penguins. A sentence of the lesson «The penguin pool» of the biology cours
---

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# The penguin pool, sentence 12

<!-- .ven lang=en -->
Adelie and gentoo penguins build nests of pebbles that keep eggs out of meltwater and mud; bare stones are scarce there, and they sometimes steal pebbles from their neighbours.

<!-- .vintro -->
**Who acts:** Adelie penguins, pebbles, bare stones, penguins · **What happens:** build, keep, be, steal · **To what, where:** nests, eggs, meltwater, pebbles, neighbours

<!-- .vabout -->
This is a sentence of the lesson «The penguin pool» 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 (Adelie penguins, pebbles, bare stones, penguins), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:099-the-penguin-pool.lesson:12
# text = Adelie and gentoo penguins build nests of pebbles that keep eggs out of meltwater and mud; bare stones are scarce there, and they sometimes steal pebbles from their neighbours.
# source = school lesson (ours)
# course = biology
# lesson = 099-the-penguin-pool.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	Adelie	Adelie	PROPN	NNP	Number=Sing	4	compound	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	gentoo	gentoo	NOUN	NN	Number=Sing	1	conj	_	_
4	penguins	penguin	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	build	build	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	nests	nest	NOUN	NNS	Number=Plur	5	obj	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	pebbles	pebble	NOUN	NNS	Number=Plur	6	nmod	_	_
9	that	that	PRON	WDT	PronType=Rel	10	nsubj	_	_
10	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
11	eggs	egg	NOUN	NNS	Number=Plur	10	obj	_	_
12	out	out	ADP	IN	_	14	case	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	meltwater	meltwater	NOUN	NN	Number=Sing	10	obl	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	mud	mud	NOUN	NN	Number=Sing	14	conj	_	_
17	;	;	PUNCT	:	_	21	punct	_	_
18	bare	bare	ADJ	JJ	Degree=Pos	19	amod	_	_
19	stones	stone	NOUN	NNS	Number=Plur	21	nsubj	_	_
20	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	21	cop	_	_
21	scarce	scarce	ADJ	JJ	Degree=Pos	5	parataxis	_	_
22	there	there	ADV	RB	PronType=Dem	21	advmod	_	_
23	,	,	PUNCT	,	_	27	punct	_	_
24	and	and	CCONJ	CC	_	27	cc	_	_
25	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	27	nsubj	_	_
26	sometimes	sometimes	ADV	RB	PronType=Ind	27	advmod	_	_
27	steal	steal	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
28	pebbles	pebble	NOUN	NNS	Number=Plur	27	obj	_	_
29	from	from	ADP	IN	_	31	case	_	_
30	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	31	nmod:poss	_	_
31	neighbours	neighbour	NOUN	NNS	Number=Plur	27	obl	_	Agree=R5-strong|Haiku=28:nmod
32	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **build** | present | Adelie penguins | nests of pebbles |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent nest=Product |
| 2 | **keep** | present | pebbles | eggs |  | meltwater and mud |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent egg=Theme out meltwater=Location |
| 3 | **is** | present | bare stones |  |  | there |  | scarce *property* | tree rules |
| 4 | **steal** | present | penguins *= penguin* | pebbles |  | penguins's neighbours |  | sometimes *property* | vn steal-10.5-1 «NP V NP PP.source»: agent=Agent pebble=Theme from neighbour=Source |

<!-- .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:099-the-penguin-pool.lesson:12`.

**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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