Test 5 · ★ · Skating and sports safety

Why do ice hockey players wear mouthguards?

Mova's choice: option 2 · The right answer: option 3 · wrong ✗ · Who acts: hockey players · What happens: wear · To what, where: mouthguards

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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	6 wear	advmod
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 wear	aux
3	ice	ice	NOUN	Number=Sing	4 hockey	compound
4	hockey	hockey	NOUN	Number=Sing	5 players	compound
5	players	player	NOUN	Number=Plur	6 wear	nsubj
6	wear	wear	VERB	Mood=Ind Number=Sing Person=1 Tense=Pres VerbForm=Fin	root	root
7	mouthguards	mouthguard	NOUN	Number=Plur	6 wear	obj
8	?	?	PUNCT	_	6 wear	punct

#	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

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

Option 1

Mouthguards help them breathe

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Mouthguards	mouthguard	NOUN	Number=Plur	2 help	nsubj
2	help	help	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	2 help	obj
4	breathe	breathe	VERB	VerbForm=Inf	2 help	xcomp

#	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

Mouthguards keep their teeth warm

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Mouthguards	mouthguard	NOUN	Number=Plur	2 keep	nsubj
2	keep	keep	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	4 teeth	nmod:poss
4	teeth	tooth	NOUN	Number=Plur	2 keep	obj
5	warm	warm	ADJ	Degree=Pos	2 keep	xcomp

#	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

Pucks and sticks can knock out teeth

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pucks	puck	NOUN	Number=Plur	5 knock	nsubj
2	and	and	CCONJ	_	3 sticks	cc
3	sticks	stick	NOUN	Number=Plur	1 Pucks	conj
4	can	can	AUX	VerbForm=Fin	5 knock	aux
5	knock	knock	VERB	VerbForm=Inf	root	root
6	out	out	ADP	_	5 knock	compound:prt
7	teeth	tooth	NOUN	Number=Plur	5 knock	obj

#	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

They help them shout louder

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	2 help	nsubj
2	help	help	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	2 help	obj
4	shout	shout	VERB	VerbForm=Inf	2 help	xcomp
5	louder	loud	ADJ	Degree=Cmp	4 shout	xcomp

#	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

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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