Test 2 · ★ · Mirrors, rainbows and the blue sky

What colour is the daytime sky seen from the Moon?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: colour · What happens: be, see · To what, where: daytime sky, Moon

This is test 2 · ★ of lesson 21 «Mirrors, rainbows and the blue sky» of the physics 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	What	what	DET	PronType=Int	2 colour	det
2	colour	colour	NOUN	Number=Sing	6 sky	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 sky	cop
4	the	the	DET	Definite=Def PronType=Art	6 sky	det
5	daytime	daytime	ADJ	Degree=Pos	6 sky	amod
6	sky	sky	NOUN	Number=Sing	root	root
7	seen	see	VERB	Tense=Past VerbForm=Part Voice=Pass	6 sky	acl
8	from	from	ADP	_	10 Moon	case
9	the	the	DET	Definite=Def PronType=Art	10 Moon	det
10	Moon	Moon	PROPN	Number=Sing	7 seen	obl
11	?	?	PUNCT	_	6 sky	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	what colour	the daytime sky					tree rules
2	see	participle		the daytime sky not said here		the Moon			vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

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

White, like a cloud

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	White	white	ADJ	Degree=Pos	root	root
2	,	,	PUNCT	_	5 cloud	punct
3	like	like	ADP	_	5 cloud	case
4	a	a	DET	Definite=Ind PronType=Art	5 cloud	det
5	cloud	cloud	NOUN	Number=Sing	1 White	obl

The frames reader finds no event or fact in this sentence.

Option 2

Blue, just like on Earth

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Blue	blue	ADJ	Degree=Pos	6 Earth	amod
2	,	,	PUNCT	_	6 Earth	punct
3	just	just	ADV	_	6 Earth	advmod
4	like	like	ADP	_	6 Earth	case
5	on	on	ADP	_	6 Earth	case
6	Earth	Earth	PROPN	Number=Sing	root	root

The frames reader finds no event or fact in this sentence.

Option 3

Red, like a sunset

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Red	red	ADJ	Degree=Pos	5 sunset	amod
2	,	,	PUNCT	_	5 sunset	punct
3	like	like	ADP	_	5 sunset	case
4	a	a	DET	Definite=Ind PronType=Art	5 sunset	det
5	sunset	sunset	NOUN	Number=Sing	root	root

The frames reader finds no event or fact in this sentence.

Option 4 · ← Mova's choice · ✓ the right answer

Black, because there is no air to scatter light

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Black	Black	PROPN	Number=Sing	7 air	nsubj
2	,	,	PUNCT	_	1 Black	punct
3	because	because	SCONJ	_	5 is	mark
4	there	there	PRON	PronType=Dem	5 is	expl
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 air	cop
6	no	no	DET	PronType=Neg	7 air	det
7	air	air	NOUN	Number=Sing	root	root
8	to	to	PART	_	9 scatter	mark
9	scatter	scatter	VERB	VerbForm=Inf	7 air	acl
10	light	light	NOUN	Number=Sing	9 scatter	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Black	no air					tree rules
2	scatter	to-infinitive		light					vn spray-9.7-1 «NP V NP.theme»: agent=Agent light=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/physics/21-mirrors-rainbows-and-the-blue-sky/t2/