---
title: Pigs wallow in mud to keep cool, because they cannot sweat much, and… — Pigs: mud, snouts and brains · tree and pragmatics
description: Pigs wallow in mud to keep cool, because they cannot sweat much, and the mud also protects their skin from sunburn. Who acts: Pigs, mud. A sentence of the lesson «Pigs: mud, snouts and brains» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/210-pigs-mud-snouts-and-brains/4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Pigs: mud, snouts and brains](https://md.mova.elamur.ai/free/en/corpora/school/biology/210-pigs-mud-snouts-and-brains/) / 4

# Pigs: mud, snouts and brains, sentence 4

<!-- .ven lang=en -->
Pigs wallow in mud to keep cool, because they cannot sweat much, and the mud also protects their skin from sunburn.

<!-- .vintro -->
**Who acts:** Pigs, mud · **What happens:** wallow, keep, not sweat, protect · **To what, where:** mud, skin

<!-- .vabout -->
This is a sentence of the lesson «Pigs: mud, snouts and brains» 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 (Pigs, mud), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:210-pigs-mud-snouts-and-brains.lesson:4
# text = Pigs wallow in mud to keep cool, because they cannot sweat much, and the mud also protects their skin from sunburn.
# source = school lesson (ours)
# course = biology
# lesson = 210-pigs-mud-snouts-and-brains.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	Pigs	pig	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	wallow	wallow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	4	case	_	_
4	mud	mud	NOUN	NN	Number=Sing	2	obl	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	keep	keep	VERB	VB	VerbForm=Inf	2	advcl	_	_
7	cool	cool	ADJ	JJ	Degree=Pos	6	xcomp	_	_
8	,	,	PUNCT	,	_	13	punct	_	_
9	because	because	SCONJ	IN	_	13	mark	_	_
10	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	13	nsubj	_	_
11	can	can	AUX	MD	VerbForm=Fin	13	aux	_	_
12	not	not	PART	RB	Polarity=Neg	13	advmod	_	_
13	sweat	sweat	VERB	VB	VerbForm=Inf	2	advcl	_	Agree=R5-strong|Haiku=6:conj
14	much	much	ADV	RB	_	13	advmod	_	_
15	,	,	PUNCT	,	_	20	punct	_	_
16	and	and	CCONJ	CC	_	20	cc	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	mud	mud	NOUN	NN	Number=Sing	20	nsubj	_	_
19	also	also	ADV	RB	_	20	advmod	_	_
20	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
21	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
22	skin	skin	NOUN	NN	Number=Sing	20	obj	_	_
23	from	from	ADP	IN	_	24	case	_	_
24	sunburn	sunburn	NOUN	NN	Number=Sing	20	obl	_	_
25	.	.	PUNCT	.	_	2	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 | **wallow** | present | Pigs |  |  | mud |  |  | vn marvel-31.3 «NP V»: agent=Experiencer |
| 2 | **keep** | to-infinitive | Pigs *not said here* |  |  |  |  | cool *property* | vn keep-15.2 «NP V NP»: agent=Agent |
| 3 | **not** **sweat** | can | pigs *= pig* |  |  |  |  |  | vn breathe-40.1.2 «NP V»: agent=Agent |
| 4 | **protect** | present | the mud | pigs's skin |  |  |  | from sunburn | vn defend-72.3 «NP V NP PP.theme»: agent=Agent skin=Beneficiary from sunburn=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.

<!-- div src -->

**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:210-pigs-mud-snouts-and-brains.lesson:4`.

**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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Pigs: mud, snouts and brains, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/210-pigs-mud-snouts-and-brains/3/)
- next →: [Pigs: mud, snouts and brains, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/210-pigs-mud-snouts-and-brains/5/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/210-pigs-mud-snouts-and-brains/)