Exam question 3 · Phases, eclipses and tides

State the principal reason for which eclipses do not occur in every lunar month.

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: eclipses · What happens: not occur

This is exam question 3 of lesson 7 «Phases, eclipses and tides» of the space course of Mova's primary school, asked in stiff, formal language. 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	State	state	NOUN	Number=Sing	4 reason	compound
2	the	the	DET	Definite=Def PronType=Art	4 reason	det
3	principal	principal	ADJ	Degree=Pos	4 reason	amod
4	reason	reason	NOUN	Number=Sing	root	root
5	for	for	ADP	_	6 which	case
6	which	which	PRON	PronType=Rel	10 occur	obl
7	eclipses	eclipse	NOUN	Number=Plur	10 occur	nsubj
8	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	10 occur	aux
9	not	not	PART	Polarity=Neg	10 occur	advmod
10	occur	occur	VERB	VerbForm=Inf	4 reason	parataxis
11	in	in	ADP	_	14 month	case
12	every	every	DET	PronType=Tot	14 month	det
13	lunar	lunar	ADJ	Degree=Pos	14 month	amod
14	month	month	NOUN	Number=Sing	10 occur	obl
15	.	.	PUNCT	_	4 reason	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not occur	present · do-support	eclipses				month	for the State principal reason	vn occur-48.3-1 «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 Sun moves out of alignment each week

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Sun	det
2	Sun	Sun	PROPN	Number=Sing	3 moves	nsubj
3	moves	move	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	out	out	ADP	_	6 alignment	case
5	of	of	ADP	_	6 alignment	case
6	alignment	alignment	NOUN	Number=Sing	3 moves	obl
7	each	each	DET	PronType=Tot	8 week	det
8	week	week	NOUN	Number=Sing	3 moves	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	move out	present	the Sun	alignment			week		vn roll-51.3.1 «NP V NP.theme»: agent=Agent alignment=Theme

Option 2

The Moon is of insufficient size in most months

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	of	of	ADP	_	6 size	case
5	insufficient	insufficient	ADJ	Degree=Pos	6 size	amod
6	size	size	NOUN	Number=Sing	root	root
7	in	in	ADP	_	9 months	case
8	most	most	ADJ	Degree=Sup	9 months	amod
9	months	month	NOUN	Number=Plur	6 size	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the Moon				month	of insufficient size	tree rules

Option 3 · ✓ the right answer

The orbit of the Moon is inclined by some five degrees to that of the Earth

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 orbit	det
2	orbit	orbit	NOUN	Number=Sing	7 inclined	nsubj:pass
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 orbit	nmod
6	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 inclined	aux:pass
7	inclined	incline	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
8	by	by	ADP	_	11 degrees	case
9	some	some	DET	PronType=Ind	11 degrees	det
10	five	five	NUM	NumForm=Word NumType=Card	11 degrees	nummod
11	degrees	degree	NOUN	Number=Plur	7 inclined	obl
12	to	to	ADP	_	13 that	case
13	that	that	PRON	Number=Sing PronType=Dem	11 degrees	nmod
14	of	of	ADP	_	16 Earth	case
15	the	the	DET	Definite=Def PronType=Art	16 Earth	det
16	Earth	Earth	PROPN	Number=Sing	13 that	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	incline	present · passive	some five degrees to that	the orbit of the Moon					vn addict-96 «NP V NP PP.Theme»: agent=Agent subject=Patient

Option 4

The Earth rotates too rapidly for alignment

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 rotates	nsubj
3	rotates	rotate	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	too	too	ADV	_	5 rapidly	advmod
5	rapidly	rapidly	ADV	_	3 rotates	advmod
6	for	for	ADP	_	7 alignment	case
7	alignment	alignment	NOUN	Number=Sing	3 rotates	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	rotate	present	the Earth					for alignment; rapidly property	vn modes_of_being_with_motion-47.3 «NP V»: agent=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/space/7-phases-eclipses-and-tides/e3/