Test 6 · ★★ · Phases, eclipses and tides

Why can a Moon in a lunar eclipse look red instead of disappearing?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · What happens: look, disappear · To what, where: Moon

This is test 6 · ★★ of lesson 7 «Phases, eclipses and tides» of the space 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	9 look	advmod
2	can	can	AUX	VerbForm=Fin	9 look	aux
3	a	a	DET	Definite=Ind PronType=Art	4 Moon	det
4	Moon	Moon	PROPN	Number=Sing	9 look	obl
5	in	in	ADP	_	8 eclipse	case
6	a	a	DET	Definite=Ind PronType=Art	8 eclipse	det
7	lunar	lunar	ADJ	Degree=Pos	8 eclipse	amod
8	eclipse	eclipse	NOUN	Number=Sing	4 Moon	nmod
9	look	look	VERB	Mood=Imp VerbForm=Fin	root	root
10	red	red	ADJ	Degree=Pos	9 look	xcomp
11	instead	instead	ADV	ExtPos=SCONJ	13 disappearing	mark
12	of	of	ADP	_	11 instead	fixed
13	disappearing	disappear	VERB	Tense=Pres VerbForm=Part	9 look	advcl
14	?	?	PUNCT	_	9 look	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	look	can		a Moon in a lunar eclipse				red property	vn stimulus_subject-30.4 «NP V ADJ»: agent=Stimulus
2	disappear	gerund							vn disappearance-48.2-1 «NP V»: agent=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 · ← Mova's choice

The Moon heats up and glows red

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Moon	det
2	Moon	Moon	PROPN	Number=Sing	3 heats	nsubj
3	heats	heat	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	up	up	ADP	_	3 heats	compound:prt
5	and	and	CCONJ	_	6 glows	cc
6	glows	glow	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 heats	conj
7	red	red	ADJ	Degree=Pos	6 glows	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	heat up	present	the Moon						vn cooking-45.3 «NP V NP.patient»: agent=Agent
2	glow	present	the Moon not said here					red property	vn light_emission-43.1 «NP V»: agent=Theme

Option 2 · ✓ the right answer

Sunlight bent through the Earth's air reaches it, like sunsets

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Sunlight	sunlight	NOUN	Number=Sing	8 reaches	nsubj
2	bent	bend	VERB	Tense=Past VerbForm=Part Voice=Pass	1 Sunlight	acl
3	through	through	ADP	_	7 air	case
4	the	the	DET	Definite=Def PronType=Art	5 Earth	det
5	Earth	Earth	PROPN	Number=Sing	7 air	nmod:poss
6	's	's	PART	_	5 Earth	case
7	air	air	NOUN	Number=Sing	2 bent	obl
8	reaches	reach	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	8 reaches	obj
10	,	,	PUNCT	_	12 sunsets	punct
11	like	like	ADP	_	12 sunsets	case
12	sunsets	sunset	NOUN	Number=Plur	8 reaches	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	bend	participle		Sunlight not said here		the Earth's air			vn assuming_position-50 «NP V PP.location»: agent=Agent through air=Location
2	reach	present	Sunlight	air			sunset		vn body_motion-49.2-1-1 «NP V NP ADV»: agent=Agent it=Theme

Option 3

The Moon's volcanoes erupt during eclipses

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Moon	det
2	Moon	Moon	PROPN	Number=Sing	4 volcanoes	nmod:poss
3	's	's	PART	_	2 Moon	case
4	volcanoes	volcano	NOUN	Number=Plur	5 erupt	nsubj
5	erupt	erupt	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
6	during	during	ADP	_	7 eclipses	case
7	eclipses	eclipse	NOUN	Number=Plur	5 erupt	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	erupt	present	the Moon's volcanoes				during eclipses		vn appear-48.1.1 «NP V»: agent=Theme

Option 4

Mars shines its red light on it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Mars	Mars	PROPN	Number=Sing	2 shines	nsubj
2	shines	shine	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 light	nmod:poss
4	red	red	ADJ	Degree=Pos	5 light	amod
5	light	light	NOUN	Number=Sing	2 shines	obj
6	on	on	ADP	_	7 it	case
7	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	2 shines	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	shine	present	Mars	its red light		light			vn light_emission-43.1 «NP V NP.theme»: agent=Agent light=Theme
2	light		its = it						nom light «phenomenon transitive»: poss=agent

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/space/7-phases-eclipses-and-tides/t6/