Test 3 · ★ · Cats: purring, whiskers, night eyes and grooming

«cats can see in pitch black, that's why they hunt at night» What is closer to the truth?

Mova's choice: option 2 · The right answer: option 3 · wrong ✗ · Who acts: cats, that · What happens: see, be, hunt · To what, where: pitch

This is test 3 · ★ of lesson 197 «Cats: purring, whiskers, night eyes and grooming» 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	«	«	PUNCT	_	4 see	punct
2	cats	cat	NOUN	Number=Plur	4 see	nsubj
3	can	can	AUX	VerbForm=Fin	4 see	aux
4	see	see	VERB	VerbForm=Inf	root	root
5	in	in	ADP	_	6 pitch	case
6	pitch	pitch	NOUN	Number=Sing	4 see	obl
7	black	black	ADJ	Degree=Pos	4 see	xcomp
8	,	,	PUNCT	_	11 why	punct
9	that	that	PRON	Number=Sing PronType=Dem	11 why	nsubj
10	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	11 why	cop
11	why	why	ADV	PronType=Int	4 see	parataxis
12	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	13 hunt	nsubj
13	hunt	hunt	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	11 why	advcl:relcl
14	at	at	ADP	_	15 night	case
15	night	night	NOUN	Number=Sing	13 hunt	obl
16	»	»	PUNCT	_	13 hunt	punct
17	What	what	PRON	PronType=Int	19 closer	nsubj
18	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 closer	cop
19	closer	close	ADJ	Degree=Cmp	13 hunt	conj
20	to	to	ADP	_	22 truth	case
21	the	the	DET	Definite=Def PronType=Art	22 truth	det
22	truth	truth	NOUN	Number=Sing	19 closer	obl
23	?	?	PUNCT	_	4 see	punct

#	verb	tense, mood	who	where	when	other	roles by
1	see in a quote	can	cats	pitch		black property	vn comprehend-87.2-1-1 «NP V»: agent=Experiencer
2	is in a quote	present	that			why property	tree rules
3	hunt in a quote	present	cats = cat		night		vn hunt-35.1 «NP V»: agent=Agent
4	is	present				to the truth; close 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

No, cats are blind at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	5 blind	discourse
2	,	,	PUNCT	_	1 No	punct
3	cats	cat	NOUN	Number=Plur	5 blind	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 blind	cop
5	blind	blind	ADJ	Degree=Pos	root	root
6	at	at	ADP	_	7 night	case
7	night	night	NOUN	Number=Sing	5 blind	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	cats				night	blind property	tree rules

Option 2 · ← Mova's choice

Yes, they see perfectly in total darkness, even in a cellar with no windows

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	4 see	discourse
2	,	,	PUNCT	_	4 see	punct
3	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 see	nsubj
4	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	perfectly	perfectly	ADV	_	4 see	advmod
6	in	in	ADP	_	8 darkness	case
7	total	total	ADJ	Degree=Pos	8 darkness	amod
8	darkness	darkness	NOUN	Number=Sing	4 see	obl
9	,	,	PUNCT	_	13 cellar	punct
10	even	even	ADV	_	13 cellar	advmod
11	in	in	ADP	_	13 cellar	case
12	a	a	DET	Definite=Ind PronType=Art	13 cellar	det
13	cellar	cellar	NOUN	Number=Sing	4 see	obl
14	with	with	ADP	_	16 windows	case
15	no	no	DET	PronType=Neg	16 windows	det
16	windows	window	NOUN	Number=Plur	13 cellar	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	present	they			total darkness		in a cellar with no windows; perfectly property	vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

Option 3 · ✓ the right answer

They need a little light, but only about a sixth of what we need

The tree, 14 words

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 need	nsubj
2	need	need	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	a	a	DET	Definite=Ind PronType=Art	5 light	det
4	little	little	ADJ	Degree=Pos	5 light	amod
5	light	light	NOUN	Number=Sing	2 need	obj
6	,	,	PUNCT	_	11 sixth	punct
7	but	but	CCONJ	_	11 sixth	cc
8	only	only	ADV	_	11 sixth	advmod
9	about	about	ADV	_	11 sixth	advmod
10	a	a	DET	Definite=Ind PronType=Art	11 sixth	det
11	sixth	sixth	NOUN	Number=Sing	2 need	obl
12	of	of	ADP	_	13 what	case
13	what	what	PRON	PronType=Rel	11 sixth	nmod
14	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	15 need	nsubj
15	need	need	VERB	Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin	13 what	acl:relcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	need	present	They	a little light				a sixth obl	vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot light=Theme
2	need	present	we						vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot

Option 4

Yes, they use night goggles

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	4 use	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 use	nsubj
4	use	use	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	night	night	NOUN	Number=Sing	6 goggles	compound
6	goggles	goggle	NOUN	Number=Plur	4 use	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use	present	they	night goggles					vn eat-39.1 «NP V NP»: agent=Agent goggle=Patient

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/197-cats-purring-whiskers-night-eyes-and-grooming/t3/