Test 2 · ★★ · How real cats hunt: stalking, waiting and pouncing

«cats can see in pitch black, that's why they're out at night» What is right?

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

This is test 2 · ★★ of lesson 119 «How real cats hunt: stalking, waiting and pouncing» 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	14 out	nsubj
13	're	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	14 out	cop
14	out	out	ADV	_	11 why	advcl:relcl
15	at	at	ADP	_	16 night	case
16	night	night	NOUN	Number=Sing	14 out	obl
17	»	»	PUNCT	_	14 out	punct
18	What	what	PRON	PronType=Int	20 right	nsubj
19	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	20 right	cop
20	right	right	ADJ	Degree=Pos	11 why	advcl:relcl
21	?	?	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	is in a quote	present	cats = cat		night	out property	tree rules
4	is	present				right 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 completely blind at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	6 blind	discourse
2	,	,	PUNCT	_	1 No	punct
3	cats	cat	NOUN	Number=Plur	6 blind	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 blind	cop
5	completely	completely	ADV	_	6 blind	advmod
6	blind	blind	ADJ	Degree=Pos	root	root
7	at	at	ADP	_	8 night	case
8	night	night	NOUN	Number=Sing	6 blind	obl

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

Option 2 · ← Mova's choice

Yes, in total darkness they see perfectly, better than in daylight

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 see	discourse
2	,	,	PUNCT	_	7 see	punct
3	in	in	ADP	_	5 darkness	case
4	total	total	ADJ	Degree=Pos	5 darkness	amod
5	darkness	darkness	NOUN	Number=Sing	7 see	obl
6	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	7 see	nsubj
7	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
8	perfectly	perfectly	ADV	_	7 see	advmod
9	,	,	PUNCT	_	10 better	punct
10	better	well	ADV	Degree=Cmp	7 see	advmod
11	than	than	ADP	_	13 daylight	case
12	in	in	ADP	_	13 daylight	case
13	daylight	daylight	NOUN	Number=Sing	10 better	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	present	they			total darkness		perfectly, well property	vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

Option 3 · ✓ the right answer

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

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

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	need	present	They	some 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

Cats see only in bright colours at night, never in grey

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Cats	cat	NOUN	Number=Plur	2 see	nsubj
2	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	only	only	ADV	_	6 colours	advmod
4	in	in	ADP	_	6 colours	case
5	bright	bright	ADJ	Degree=Pos	6 colours	amod
6	colours	colour	NOUN	Number=Plur	2 see	obj
7	at	at	ADP	_	8 night	case
8	night	night	NOUN	Number=Sing	2 see	obl
9	,	,	PUNCT	_	12 grey	punct
10	never	never	ADV	PronType=Neg	12 grey	advmod
11	in	in	ADP	_	12 grey	case
12	grey	grey	ADJ	Degree=Pos	2 see	parataxis

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	present	Cats	bright colours			night		vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer colour=Stimulus

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/119-how-real-cats-hunt/t2/