---
title: A concussion is a hurt to the brain caused by a knock to the head; i… — Skating and sports safety · tree and pragmatics
description: A concussion is a hurt to the brain caused by a knock to the head; its signs include headache, dizziness, feeling sick and confusion. Who acts: concussion, signs, knock. A sentence of the lesson «Skating and sports safety» of the everyday course of Mova's primary school with its dependency tree and 
---

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# Skating and sports safety, sentence 16

<!-- .ven lang=en -->
A concussion is a hurt to the brain caused by a knock to the head; its signs include headache, dizziness, feeling sick and confusion.

<!-- .vintro -->
**Who acts:** concussion, signs, knock · **What happens:** be, cause, include, feel, sign · **To what, where:** hurt, brain, headache

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This is a sentence of the lesson «Skating and sports safety» of the everyday 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 (concussion, signs, knock), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:006-skating-and-sports-safety.lesson:16
# text = A concussion is a hurt to the brain caused by a knock to the head; its signs include headache, dizziness, feeling sick and confusion.
# source = school lesson (ours)
# course = everyday
# lesson = 006-skating-and-sports-safety.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
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	concussion	concussion	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	hurt	hurt	NOUN	NN	Number=Sing	0	root	_	_
6	to	to	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	brain	brain	NOUN	NN	Number=Sing	5	nmod	_	_
9	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	acl	_	_
10	by	by	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	knock	knock	NOUN	NN	Number=Sing	9	obl:agent	_	_
13	to	to	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	head	head	NOUN	NN	Number=Sing	12	nmod	_	_
16	;	;	PUNCT	,	_	19	punct	_	_
17	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
18	signs	sign	NOUN	NNS	Number=Plur	19	nsubj	_	_
19	include	include	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	parataxis	_	Agree=R7-rel-agree|Haiku=5:conj
20	headache	headache	NOUN	NN	Number=Sing	19	obj	_	_
21	,	,	PUNCT	,	_	22	punct	_	_
22	dizziness	dizziness	NOUN	NN	Number=Sing	20	conj	_	_
23	,	,	PUNCT	,	_	24	punct	_	_
24	feeling	feel	VERB	VBG	Tense=Pres|VerbForm=Part	20	conj	_	_
25	sick	sick	ADJ	JJ	Degree=Pos	24	xcomp	_	_
26	and	and	CCONJ	CC	_	27	cc	_	_
27	confusion	confusion	NOUN	NN	Number=Sing	25	conj	_	_
28	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **is a** | present | a concussion | a hurt |  |  |  | to the brain | tree rules |
| 2 | **cause** | participle |  | the brain *not said here* |  |  |  |  | vn result-27.2 «NP V PP»: agent=Precondition |
| 3 | **include** | present | knock's signs | headache and dizziness |  |  |  |  | vn involve-107.1 «NP V NP»: agent=Agent headache=Theme |
| 4 | **feel** | gerund | knock's signs *not said here* |  |  |  |  | sick *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |
| 5 | **sign** |  | knock |  |  |  |  |  | nom sign «communication transitive»: poss=agent |

<!-- .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:everyday:006-skating-and-sports-safety.lesson:16`.

**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. **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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- next →: [Skating and sports safety, 17](https://md.mova.elamur.ai/free/en/corpora/school/everyday/6-skating-and-sports-safety/17/)
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