---
title: A hedgehog has about 5000 to 7000 spines, which are stiff hollow hai… — How animals defend themselves · tree and pragmatics
description: A hedgehog has about 5000 to 7000 spines, which are stiff hollow hairs, and a strong muscle lets it roll into a tight prickly ball. Who acts: hedgehog, 5000 spines, strong muscle. A sentence of the lesson «How animals defend themselves» of the biology course of Mova's primary school with its depende
---

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# How animals defend themselves, sentence 5

<!-- .ven lang=en -->
A hedgehog has about 5000 to 7000 spines, which are stiff hollow hairs, and a strong muscle lets it roll into a tight prickly ball.

<!-- .vintro -->
**Who acts:** hedgehog, 5000 spines, strong muscle · **What happens:** have, be, let, roll · **To what, where:** 5000 spines, stiff hollow hairs, hedgehog, tight prickly ball

<!-- .vabout -->
This is a sentence of the lesson «How animals defend themselves» 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 (hedgehog, 5000 spines, strong muscle), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:053-how-animals-defend-themselves.lesson:5
# text = A hedgehog has about 5000 to 7000 spines, which are stiff hollow hairs, and a strong muscle lets it roll into a tight prickly ball.
# source = school lesson (ours)
# course = biology
# lesson = 053-how-animals-defend-themselves.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 ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	hedgehog	hedgehog	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	about	about	ADP	IN	_	8	case	_	_
5	5000	5000	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
6	to	to	ADP	IN	_	7	case	_	_
7	7000	7000	NUM	CD	NumForm=Digit|NumType=Card	5	nmod	_	_
8	spines	spine	NOUN	NNS	Number=Plur	3	obj	_	Agree=R7-rel-agree|Haiku=3:obl
9	,	,	PUNCT	,	_	14	punct	_	_
10	which	which	PRON	WDT	PronType=Rel	14	nsubj	_	_
11	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
12	stiff	stiff	ADJ	JJ	Degree=Pos	14	amod	_	_
13	hollow	hollow	ADJ	JJ	Degree=Pos	14	amod	_	_
14	hairs	hair	NOUN	NNS	Number=Plur	8	acl:relcl	_	Agree=R7-rel-agree|Haiku=8:conj
15	,	,	PUNCT	,	_	20	punct	_	_
16	and	and	CCONJ	CC	_	20	cc	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
18	strong	strong	ADJ	JJ	Degree=Pos	19	amod	_	_
19	muscle	muscle	NOUN	NN	Number=Sing	20	nsubj	_	_
20	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
21	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	20	obj	_	_
22	roll	roll	VERB	VB	VerbForm=Inf	20	xcomp	_	_
23	into	into	ADP	IN	_	27	case	_	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
25	tight	tight	ADJ	JJ	Degree=Pos	27	amod	_	_
26	prickly	prickly	ADJ	JJ	Degree=Pos	27	amod	_	_
27	ball	ball	NOUN	NN	Number=Sing	22	obl	_	_
28	.	.	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 | **have** | present | a hedgehog | 5000 spines |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent spine=Patient |
| 2 | **is a** | present | 5000 spines | stiff hollow hairs |  |  |  |  | tree rules |
| 3 | **let** | present | a strong muscle | hedgehog |  |  |  |  | tree rules |
| 4 | **roll** | infinitive | hedgehog *not said here* |  |  | a tight prickly ball |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme into ball=Destination |

<!-- .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:053-how-animals-defend-themselves.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 ×2. **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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