Test 4 · Bears

Why might a polar bear's hollow see-through hairs be useful in the Arctic?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: hollow through hairs · What happens: be · To what, where: Arctic

This is test 4 of lesson 23 «Bears» of the biology 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	13 useful	advmod
2	might	might	AUX	VerbForm=Fin	13 useful	aux
3	a	a	DET	Definite=Ind PronType=Art	5 bear	det
4	polar	polar	ADJ	Degree=Pos	5 bear	amod
5	bear	bear	NOUN	Number=Sing	11 hairs	nmod:poss
6	's	's	PART	_	5 bear	case
7	hollow	hollow	ADJ	Degree=Pos	11 hairs	amod
8	see	see	ADJ	Degree=Pos	10 through	amod
9	-	-	PUNCT	_	8 see	punct
10	through	thorough	ADJ	Degree=Pos	11 hairs	amod
11	hairs	hair	NOUN	Number=Plur	13 useful	nsubj
12	be	be	AUX	VerbForm=Inf	13 useful	cop
13	useful	useful	ADJ	Degree=Pos	root	root
14	in	in	ADP	_	16 Arctic	case
15	the	the	DET	Definite=Def PronType=Art	16 Arctic	det
16	Arctic	Arctic	PROPN	Number=Sing	13 useful	obl
17	?	?	PUNCT	_	13 useful	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	might	a polar bear's hollow through hairs			the Arctic		useful property	tree rules

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

They let the bear see right through its own fur

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 let	nsubj
2	let	let	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 bear	det
4	bear	bear	NOUN	Number=Sing	2 let	obj
5	see	see	VERB	VerbForm=Inf	2 let	xcomp
6	right	right	ADV	_	5 see	advmod
7	through	through	ADP	_	10 fur	case
8	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	10 fur	nmod:poss
9	own	own	ADJ	Degree=Pos	10 fur	amod
10	fur	fur	NOUN	Number=Sing	5 see	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	let	past	They	the bear					tree rules
2	see	infinitive	the bear not said here			bear's own fur		right property	vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

Option 2 · ← Mova's choice · ✓ the right answer

They look white on snow and trap warmth

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 look	nsubj
2	look	look	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	white	white	ADJ	Degree=Pos	2 look	xcomp
4	on	on	ADP	_	5 snow	case
5	snow	snow	NOUN	Number=Sing	2 look	obl
6	and	and	CCONJ	_	8 warmth	cc
7	trap	trap	NOUN	Number=Sing	8 warmth	compound
8	warmth	warmth	NOUN	Number=Sing	5 snow	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	look	present	They					on snow and trap warmth; white property	vn peer-30.3 «NP V PP.theme»: agent=Agent on snow=Theme

Option 3

They glow in the dark to help it find seals

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 glow	nsubj
2	glow	glow	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	in	in	ADP	_	5 dark	case
4	the	the	DET	Definite=Def PronType=Art	5 dark	det
5	dark	dark	NOUN	Number=Sing	2 glow	obl
6	to	to	PART	_	7 help	mark
7	help	help	VERB	VerbForm=Inf	2 glow	advcl
8	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	7 help	obj
9	find	find	VERB	VerbForm=Inf	7 help	xcomp
10	seals	seal	NOUN	Number=Plur	9 find	obj

#	verb	tense, mood	who	what, whom	where	roles by
1	glow	present	They		the dark	vn light_emission-43.1 «NP V PP.location»: agent=Theme in dark=Location
2	help	to-infinitive	They not said here	dark		vn help-72.1-1-1 «NP V NP S_INF»: agent=Agent it=Beneficiary clause=Theme
3	find	infinitive	dark not said here	seals		vn discover-84 «NP V NP»: agent=Agent seal=Topic

Option 4

They make the bear float on water like a balloon

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 make	nsubj
2	make	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 bear	det
4	bear	bear	NOUN	Number=Sing	5 float	nsubj
5	float	float	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 make	xcomp
6	on	on	ADP	_	7 water	case
7	water	water	NOUN	Number=Sing	5 float	obl
8	like	like	ADP	_	10 balloon	case
9	a	a	DET	Definite=Ind PronType=Art	10 balloon	det
10	balloon	balloon	NOUN	Number=Sing	5 float	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	They						tree rules
2	float	present	the bear			water		like a balloon	vn run-51.3.2-2 «NP V PP.location»: agent=Theme on water=Trajectory

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/biology/23-bears/t4/