Test 12 · ★ · Cats: purring, whiskers, night eyes and grooming

«cat's eyes were glowing green in the dark, proper demon» What is the real reason?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: eyes, dark proper demon · What happens: glow, be · To what, where: real reason

This is test 12 · ★ 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	_	6 glowing	punct
2	cat	cat	NOUN	Number=Sing	4 eyes	nmod:poss
3	's	's	PART	_	2 cat	case
4	eyes	eye	NOUN	Number=Plur	6 glowing	nsubj
5	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	6 glowing	aux
6	glowing	glow	VERB	Tense=Pres VerbForm=Part	root	root
7	green	green	ADJ	Degree=Pos	6 glowing	xcomp
8	in	in	ADP	_	13 demon	case
9	the	the	DET	Definite=Def PronType=Art	13 demon	det
10	dark	dark	ADJ	Degree=Pos	13 demon	amod
11	,	,	PUNCT	_	10 dark	punct
12	proper	proper	ADJ	Degree=Pos	13 demon	amod
13	demon	demon	NOUN	Number=Sing	6 glowing	obl
14	»	»	PUNCT	_	13 demon	punct
15	What	what	PRON	PronType=Int	19 reason	nsubj
16	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 reason	cop
17	the	the	DET	Definite=Def PronType=Art	19 reason	det
18	real	real	ADJ	Degree=Pos	19 reason	amod
19	reason	reason	NOUN	Number=Sing	13 demon	acl:relcl
20	?	?	PUNCT	_	6 glowing	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	glow in a quote	past · progressive	cat's eyes					in the dark proper demon; green property	vn light_emission-43.1 «NP V PP.location»: agent=Theme in demon=Location
2	is a	present	the dark proper demon	the real reason					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

Cats have little lights in their eyes that they switch on in the dark

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Cats	cat	NOUN	Number=Plur	2 have	nsubj
2	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	little	little	ADJ	Degree=Pos	4 lights	amod
4	lights	light	NOUN	Number=Plur	2 have	obj
5	in	in	ADP	_	7 eyes	case
6	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	7 eyes	nmod:poss
7	eyes	eye	NOUN	Number=Plur	2 have	obl
8	that	that	SCONJ	_	10 switch	mark
9	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	10 switch	nsubj
10	switch	switch	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 have	advcl
11	on	on	ADP	_	10 switch	compound:prt
12	in	in	ADP	_	14 dark	case
13	the	the	DET	Definite=Def PronType=Art	14 dark	det
14	dark	dark	NOUN	Number=Sing	10 switch	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	Cats	little lights		Cats's eyes			vn birth-28.2-1 «NP V NP»: agent=Agent light=Patient
2	switch on	present	Cats = cat			the dark			vn convert-26.6.2-1-1 «NP V»: agent=Patient

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

A mirror layer at the back of each eye bounces the light back

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 layer	det
2	mirror	mirror	NOUN	Number=Sing	3 layer	compound
3	layer	layer	NOUN	Number=Sing	10 bounces	nsubj
4	at	at	ADP	_	6 back	case
5	the	the	DET	Definite=Def PronType=Art	6 back	det
6	back	back	NOUN	Number=Sing	3 layer	nmod
7	of	of	ADP	_	9 eye	case
8	each	each	DET	PronType=Tot	9 eye	det
9	eye	eye	NOUN	Number=Sing	6 back	nmod
10	bounces	bounce	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
11	the	the	DET	Definite=Def PronType=Art	12 light	det
12	light	light	NOUN	Number=Sing	10 bounces	obj
13	back	back	ADV	_	10 bounces	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	bounce back	present	a mirror layer at the back of each eye	the light					vn run-51.3.2-2 «NP V NP»: agent=Agent light=Agent

Option 3

Only magic cats do that

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Only	only	ADV	_	3 cats	advmod
2	magic	magic	ADJ	Degree=Pos	3 cats	amod
3	cats	cat	NOUN	Number=Plur	4 do	nsubj
4	do	do	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	that	that	PRON	Number=Sing PronType=Dem	4 do	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present	magic cats	that					vn act-114-1 «NP V NP»: agent=Agent that=Eventuality

Option 4

It is a sign of illness

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 sign	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 sign	cop
3	a	a	DET	Definite=Ind PronType=Art	4 sign	det
4	sign	sign	NOUN	Number=Sing	root	root
5	of	of	ADP	_	6 illness	case
6	illness	illness	NOUN	Number=Sing	4 sign	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	a sign				of illness	tree rules

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/t12/