Test 3 · ★ · Animal colours: pink flamingos, rare blue animals, white a…

Why does a peacock feather change colour as you tilt it?

Mova's choice: option 4 · The right answer: option 2 · wrong ✗ · Who acts: peacock feather, you · What happens: change, tilt · To what, where: colour

This is test 3 · ★ of lesson 367 «Animal colours: pink flamingos, rare blue animals, white albinos and black panthers» 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	6 change	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 change	aux
3	a	a	DET	Definite=Ind PronType=Art	5 feather	det
4	peacock	peacock	NOUN	Number=Sing	5 feather	compound
5	feather	feather	NOUN	Number=Sing	6 change	nsubj
6	change	change	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
7	colour	colour	NOUN	Number=Sing	6 change	obj
8	as	as	SCONJ	_	10 tilt	mark
9	you	you	PRON	Case=Nom Person=2 PronType=Prs	10 tilt	nsubj
10	tilt	tilt	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	6 change	advcl
11	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	10 tilt	obj
12	?	?	PUNCT	_	6 change	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	change	present · do-support	a peacock feather	colour					vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient
2	tilt	present	you	colour					vn spatial_configuration-47.6-1 «PP.location V NP»: agent=Location it=Theme

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

It has wet paint on it that slides around

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	2 has	nsubj
2	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	wet	wet	ADJ	Degree=Pos	4 paint	amod
4	paint	paint	NOUN	Number=Sing	2 has	obj
5	on	on	ADP	_	6 it	case
6	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	4 paint	nmod
7	that	that	PRON	PronType=Rel	8 slides	nsubj
8	slides	slide	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 paint	acl:relcl
9	around	around	ADV	_	8 slides	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	It	wet paint		paint			vn birth-28.2-1 «NP V NP»: agent=Agent paint=Patient
2	slide around	present	wet paint					around property	vn run-51.3.2-2 «NP V»: agent=Theme

Option 2 · ✓ the right answer

Tiny structures scatter light differently at each angle

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Tiny	tiny	ADJ	Degree=Pos	2 structures	amod
2	structures	structure	NOUN	Number=Plur	3 scatter	nsubj
3	scatter	scatter	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	light	light	NOUN	Number=Sing	3 scatter	obj
5	differently	differently	ADV	_	3 scatter	advmod
6	at	at	ADP	_	8 angle	case
7	each	each	DET	PronType=Tot	8 angle	det
8	angle	angle	NOUN	Number=Sing	3 scatter	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	scatter	present	Tiny structures	light		each angle		differently property	vn spray-9.7-1 «NP V NP PP.destination-Conative»: agent=Agent light=Theme at angle=Destination

Option 3

The bird is still alive inside the feather

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 bird	det
2	bird	bird	NOUN	Number=Sing	5 alive	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 alive	cop
4	still	still	ADV	_	5 alive	advmod
5	alive	alive	ADJ	Degree=Pos	root	root
6	inside	inside	ADP	_	8 feather	case
7	the	the	DET	Definite=Def PronType=Art	8 feather	det
8	feather	feather	NOUN	Number=Sing	5 alive	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the bird			the feather	still	alive property	tree rules

Option 4 · ← Mova's choice

Your own eyes change colour as you move your head

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	3 eyes	nmod:poss
2	own	own	ADJ	Degree=Pos	3 eyes	amod
3	eyes	eye	NOUN	Number=Plur	4 change	nsubj
4	change	change	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	colour	colour	NOUN	Number=Sing	4 change	obj
6	as	as	SCONJ	_	8 move	mark
7	you	you	PRON	Case=Nom Person=2 PronType=Prs	8 move	nsubj
8	move	move	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	4 change	advcl
9	your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	10 head	nmod:poss
10	head	head	NOUN	Number=Sing	8 move	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	change	present	Your own eyes	colour					vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient
2	move	present	you	your head					vn roll-51.3.1 «NP V NP.theme»: agent=Agent head=Theme

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/367-animal-colours-pink-flamingos-rare-blue-animals-white-albinos-and-black-panthers/t3/