---
title: Why do ice hockey players wear mouthguards? — Skating and sports safety · tree and pragmatics
description: Why do ice hockey players wear mouthguards? Test 5 · ★ of lesson 6 «Skating and sports safety» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 5 · ★ · Skating and sports safety

<!-- .ven lang=en -->
Why do ice hockey players wear mouthguards?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** hockey players · **What happens:** wear · **To what, where:** mouthguards

<!-- .vabout -->
This is test 5 · ★ of lesson 6 «Skating and sports safety» of the everyday course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/everyday/6-skating-and-sports-safety/#t5).

## The question {#question}

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t5:1
# text = Why do ice hockey players wear mouthguards?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
3	ice	ice	NOUN	NN	Number=Sing	4	compound	_	_
4	hockey	hockey	NOUN	NN	Number=Sing	5	compound	_	_
5	players	player	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	wear	wear	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
7	mouthguards	mouthguard	NOUN	NNS	Number=Plur	6	obj	_	SpaceAfter=No
8	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wear** | present · do-support | hockey players | mouthguards |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.source»: agent=Agent mouthguard=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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Mouthguards help them breathe

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t5:o1:1
# text = Mouthguards help them breathe
1	Mouthguards	mouthguard	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obj	_	_
4	breathe	breathe	VERB	VB	VerbForm=Inf	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | Mouthguards | them *= they* |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent they=Beneficiary clause=Theme |
| 2 | **breathe** | infinitive | them *= they* *not said here* |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Mouthguards keep their teeth warm

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t5:o2:1
# text = Mouthguards keep their teeth warm
1	Mouthguards	mouthguard	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	teeth	tooth	NOUN	NNS	Number=Plur	2	obj	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | Mouthguards | Mouthguards's teeth |  |  |  | warm *property* | vn keep-15.2 «NP V NP»: agent=Agent tooth=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Pucks and sticks can knock out teeth

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t5:o3:1
# text = Pucks and sticks can knock out teeth
1	Pucks	puck	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	sticks	stick	NOUN	NNS	Number=Plur	1	conj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	knock	knock	VERB	VB	VerbForm=Inf	0	root	_	_
6	out	out	ADP	RP	_	5	compound:prt	_	_
7	teeth	tooth	NOUN	NNS	Number=Plur	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **knock out** | can | Pucks and sticks | teeth |  |  |  |  | vn split-23.2 «NP V NP apart»: agent=Agent tooth=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
They help them shout louder

```conllu
# sent_id = question:everyday:6-skating-and-sports-safety:t5:o4:1
# text = They help them shout louder
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obj	_	_
4	shout	shout	VERB	VB	VerbForm=Inf	2	xcomp	_	_
5	louder	loud	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | They | them *= they* |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent they=Beneficiary clause=Theme |
| 2 | **shout** *speech: express* | infinitive | them *= they* *not said here* |  |  |  |  | loud *property* | vn manner\_speaking-37.3 «NP V»: agent=Agent |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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