Exam question 1 · The Moon

State the reason for which the same hemisphere of the Moon is perpetually presented to the Earth.

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · What happens: present · To what, where: same hemisphere

This is exam question 1 of lesson 6 «The Moon» 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	root	root
2	the	the	DET	Definite=Def PronType=Art	3 reason	det
3	reason	reason	NOUN	Number=Sing	1 State	appos
4	for	for	ADP	_	5 which	case
5	which	which	PRON	PronType=Rel	14 presented	obl
6	the	the	DET	Definite=Def PronType=Art	8 hemisphere	det
7	same	same	ADJ	Degree=Pos	8 hemisphere	amod
8	hemisphere	hemisphere	NOUN	Number=Sing	14 presented	nsubj:pass
9	of	of	ADP	_	11 Moon	case
10	the	the	DET	Definite=Def PronType=Art	11 Moon	det
11	Moon	Moon	PROPN	Number=Sing	8 hemisphere	nmod
12	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	14 presented	aux:pass
13	perpetually	perpetually	ADV	_	14 presented	advmod
14	presented	present	VERB	Tense=Past VerbForm=Part Voice=Pass	3 reason	acl:relcl
15	to	to	ADP	_	17 Earth	case
16	the	the	DET	Definite=Def PronType=Art	17 Earth	det
17	Earth	Earth	PROPN	Number=Sing	14 presented	obl
18	.	.	PUNCT	_	1 State	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	present	present · passive		the same hemisphere of the Moon				for the reason; to the Earth; perpetually property	vn fulfilling-13.4.1 «NP V NP PP.recipient»: subject=Theme for which=Recipient

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 opposite hemisphere receives no illumination

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 hemisphere	det
2	opposite	opposite	ADJ	Degree=Pos	3 hemisphere	amod
3	hemisphere	hemisphere	NOUN	Number=Sing	4 receives	nsubj
4	receives	receive	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	no	no	DET	PronType=Neg	6 illumination	det
6	illumination	illumination	NOUN	Number=Sing	4 receives	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	receive	present	the opposite hemisphere	no illumination					vn obtain-13.5.2 «NP V NP»: agent=Agent illumination=Theme

Option 2

It does not rotate about its axis whatsoever

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 rotate	nsubj
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 rotate	aux
3	not	not	PART	Polarity=Neg	4 rotate	advmod
4	rotate	rotate	VERB	VerbForm=Inf	root	root
5	about	about	ADP	_	7 axis	case
6	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	7 axis	nmod:poss
7	axis	axis	NOUN	Number=Sing	4 rotate	obl
8	whatsoever	whatsoever	ADV	_	4 rotate	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not rotate	present · do-support	It					about its axis; whatsoever property	vn modes_of_being_with_motion-47.3 «NP V PP.location»: agent=Theme about axis=Location

Option 3 · ✓ the right answer

Its period of rotation is equal to its period of revolution

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	2 period	nmod:poss
2	period	period	NOUN	Number=Sing	6 equal	nsubj
3	of	of	ADP	_	4 rotation	case
4	rotation	rotation	NOUN	Number=Sing	2 period	nmod
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 equal	cop
6	equal	equal	ADJ	Degree=Pos	root	root
7	to	to	ADP	_	9 period	case
8	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	9 period	nmod:poss
9	period	period	NOUN	Number=Sing	6 equal	obl
10	of	of	ADP	_	11 revolution	case
11	revolution	revolution	NOUN	Number=Sing	9 period	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Its period of rotation					to period's period of revolution; equal property	tree rules

Option 4

The Earth's atmosphere obscures the opposite hemisphere

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 atmosphere	nmod:poss
3	's	's	PART	_	2 Earth	case
4	atmosphere	atmosphere	NOUN	Number=Sing	5 obscures	nsubj
5	obscures	obscure	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	the	the	DET	Definite=Def PronType=Art	8 hemisphere	det
7	opposite	opposite	ADJ	Degree=Pos	8 hemisphere	amod
8	hemisphere	hemisphere	NOUN	Number=Sing	5 obscures	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	obscure	present	the Earth's atmosphere	the opposite hemisphere					vn remedy-45.7 «NP V NP.patient»: agent=Agent hemisphere=Patient

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/6-the-moon/e1/