Test 6 · ★★★ · Thinking like an astronomer

Why is it not true that there is a «dark side of the Moon» that never sees the Sun?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: it, dark side · What happens: not be, be, not see · To what, where: dark side

This is test 6 · ★★★ of lesson 10 «Thinking like an astronomer» of the world 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	5 true	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 true	cop
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	5 true	nsubj
4	not	not	PART	Polarity=Neg	5 true	advmod
5	true	true	ADJ	Degree=Pos	root	root
6	that	that	SCONJ	_	8 is	mark
7	there	there	PRON	PronType=Dem	8 is	expl
8	is	be	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 true	advcl
9	a	a	DET	Definite=Ind PronType=Art	12 side	det
10	«	«	PUNCT	_	12 side	punct
11	dark	dark	ADJ	Degree=Pos	12 side	amod
12	side	side	NOUN	Number=Sing	8 is	nsubj
13	of	of	ADP	_	15 Moon	case
14	the	the	DET	Definite=Def PronType=Art	15 Moon	det
15	Moon	Moon	PROPN	Number=Sing	12 side	nmod
16	»	»	PUNCT	_	15 Moon	punct
17	that	that	PRON	PronType=Rel	19 sees	obj
18	never	never	ADV	PronType=Neg	19 sees	advmod
19	sees	see	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 side	acl:relcl
20	the	the	DET	Definite=Def PronType=Art	21 Sun	det
21	Sun	Sun	PROPN	Number=Sing	19 sees	obj
22	?	?	PUNCT	_	5 true	punct

#	verb	tense, mood	who	what, whom	where	other	roles by
1	not is	present	it			true property	tree rules
2	be	present	a dark side of the Moon		there		vn exist-47.1 «NP V»: agent=Theme
3	not see	present		a dark side of the Moon			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 · ← Mova's choice · ✓ the right answer

Every side of the Moon faces the Sun at some time each month

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Every	every	DET	PronType=Tot	2 side	det
2	side	side	NOUN	Number=Sing	6 faces	nsubj
3	of	of	ADP	_	5 Moon	case
4	the	the	DET	Definite=Def PronType=Art	5 Moon	det
5	Moon	Moon	PROPN	Number=Sing	2 side	nmod
6	faces	face	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
7	the	the	DET	Definite=Def PronType=Art	8 Sun	det
8	Sun	Sun	PROPN	Number=Sing	6 faces	obj
9	at	at	ADP	_	11 time	case
10	some	some	DET	PronType=Ind	11 time	det
11	time	time	NOUN	Number=Sing	6 faces	obl
12	each	each	DET	PronType=Tot	13 month	det
13	month	month	NOUN	Number=Sing	6 faces	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	face	present	every side of the Moon		the Sun		month; time		vn fill-9.8-1 «NP V NP»: agent=Theme sun=Destination

Option 2

The Moon makes its own light on the far side

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 makes	nsubj
3	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 light	nmod:poss
5	own	own	ADJ	Degree=Pos	6 light	amod
6	light	light	NOUN	Number=Sing	3 makes	obj
7	on	on	ADP	_	10 side	case
8	the	the	DET	Definite=Def PronType=Art	10 side	det
9	far	far	ADJ	Degree=Pos	10 side	amod
10	side	side	NOUN	Number=Sing	3 makes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	the Moon	Moon's own light		the far side			vn build-26.1-1 «NP V NP»: agent=Agent light=Product
2	light		Moon						nom light «phenomenon transitive»: poss=agent

Option 3

Mirrors on the Moon reflect light there

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Mirrors	mirror	NOUN	Number=Plur	5 reflect	nsubj
2	on	on	ADP	_	4 Moon	case
3	the	the	DET	Definite=Def PronType=Art	4 Moon	det
4	Moon	Moon	PROPN	Number=Sing	1 Mirrors	nmod
5	reflect	reflect	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
6	light	light	NOUN	Number=Sing	5 reflect	obj
7	there	there	ADV	PronType=Dem	5 reflect	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	reflect	present	Mirrors on the Moon	light		there			tree rules

Option 4

The Earth lights up the whole far side with the glow of its big cities

The tree, 15 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Earth	det
2	Earth	Earth	PROPN	Number=Sing	3 lights	nsubj
3	lights	light	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	up	up	ADP	_	3 lights	compound:prt
5	the	the	DET	Definite=Def PronType=Art	8 side	det
6	whole	whole	ADJ	Degree=Pos	8 side	amod
7	far	far	ADJ	Degree=Pos	8 side	amod
8	side	side	NOUN	Number=Sing	3 lights	obl:unmarked
9	with	with	ADP	_	11 glow	case
10	the	the	DET	Definite=Def PronType=Art	11 glow	det
11	glow	glow	NOUN	Number=Sing	3 lights	obl
12	of	of	ADP	_	15 cities	case
13	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	15 cities	nmod:poss
14	big	big	ADJ	Degree=Pos	15 cities	amod
15	cities	city	NOUN	Number=Plur	11 glow	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	light up	present	the Earth	the whole far side				with the glow of Earth's big cities	vn preparing-26.3-1 «NP V NP»: agent=Agent with glow=Material
2	glow		Earth's big cities						nom glow «state intransitive»: of=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/world/10-reasoning-about-space/t6/