Test 2 · ★ · The Moon and its phases

Which is true?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · What happens: be

This is test 2 · ★ of lesson 3 «The Moon and its phases» 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	Which	which	PRON	PronType=Rel	3 true	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 true	cop
3	true	true	ADJ	Degree=Pos	root	root
4	?	?	PUNCT	_	3 true	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present						true property	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 Moon is a different size each night

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	6 size	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 size	cop
4	a	a	DET	Definite=Ind PronType=Art	6 size	det
5	different	different	ADJ	Degree=Pos	6 size	amod
6	size	size	NOUN	Number=Sing	root	root
7	each	each	DET	PronType=Tot	8 night	det
8	night	night	NOUN	Number=Sing	6 size	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	the Moon	a different size			night		tree rules

Option 2 · ✓ the right answer

The Moon's phases happen because we see its sunlit half from different angles

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 phases	nmod:poss
3	's	's	PART	_	2 Moon	case
4	phases	phase	NOUN	Number=Plur	5 happen	nsubj
5	happen	happen	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
6	because	because	SCONJ	_	8 see	mark
7	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	8 see	nsubj
8	see	see	VERB	Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin	5 happen	advcl
9	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	11 half	nmod:poss
10	sunlit	sunlit	ADJ	Degree=Pos	11 half	amod
11	half	half	NOUN	Number=Sing NumForm=Word NumType=Frac	8 see	obj
12	from	from	ADP	_	14 angles	case
13	different	different	ADJ	Degree=Pos	14 angles	amod
14	angles	angle	NOUN	Number=Plur	8 see	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	present	the Moon's phases						vn occur-48.3-1 «NP V»: agent=Theme
2	see	present	we	Moon's sunlit half		different angles			vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer half=Stimulus

Option 3

The Moon makes its own light, which flickers

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	,	,	PUNCT	_	9 flickers	punct
8	which	which	PRON	PronType=Rel	9 flickers	nsubj
9	flickers	flicker	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 light	acl:relcl

#	verb	tense, mood	who	what, whom	roles by
1	make	present	the Moon	Moon's own light	vn build-26.1-1 «NP V NP»: agent=Agent light=Product
2	flicker	present	Moon's own light		vn light_emission-43.1 «NP V»: agent=Theme
3	light		Moon		nom light «phenomenon transitive»: poss=agent

Option 4

The Earth's shadow makes the phases each month

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	4 shadow	nmod:poss
3	's	's	PART	_	2 Earth	case
4	shadow	shadow	NOUN	Number=Sing	5 makes	nsubj
5	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	the	the	DET	Definite=Def PronType=Art	7 phases	det
7	phases	phase	NOUN	Number=Plur	5 makes	obj
8	each	each	DET	PronType=Tot	9 month	det
9	month	month	NOUN	Number=Sing	5 makes	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	the Earth's shadow	the phases			month		vn build-26.1-1 «NP.asset V NP»: agent=Asset phase=Product
2	shadow		the Earth						nom shadow «state 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/world/3-the-moon-and-its-phases/t2/