Exam question 4 · The Moon, the planets and the stars

Ascertain the source of the light by which the Moon is observed.

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: you, light · What happens: ascertain, observe · To what, where: source, Moon

This is exam question 4 of lesson 14 «The Moon, the planets and the stars» of the myths 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	Ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 source	det
3	source	source	NOUN	Number=Sing	1 Ascertain	obj
4	of	of	ADP	_	6 light	case
5	the	the	DET	Definite=Def PronType=Art	6 light	det
6	light	light	NOUN	Number=Sing	3 source	nmod
7	by	by	ADP	_	8 which	case
8	which	which	PRON	PronType=Rel	12 observed	obl
9	the	the	DET	Definite=Def PronType=Art	10 Moon	det
10	Moon	Moon	PROPN	Number=Sing	12 observed	nsubj:pass
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 observed	aux:pass
12	observed	observe	VERB	Tense=Past VerbForm=Part Voice=Pass	6 light	acl:relcl
13	.	.	PUNCT	_	1 Ascertain	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascertain	imperative	you not said here	the source of the light					vn discover-84 «NP V NP»: agent=Agent source=Topic
2	observe	present · passive	the light	the Moon					vn say-37.7-1-1 «NP V NP.topic»: agent=Agent subject=Topic

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

Sunlight reflected from its surface

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Sunlight	Sunlight	PROPN	Number=Sing	2 reflected	nsubj
2	reflected	reflect	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	from	from	ADP	_	5 surface	case
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 surface	nmod:poss
5	surface	surface	NOUN	Number=Sing	2 reflected	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	reflect	past	Sunlight			its surface			vn focus-87.1-1 «NP V»: agent=Agent

Option 2

Light emitted by its volcanic activity

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Light	light	NOUN	Number=Sing	root	root
2	emitted	emit	VERB	Tense=Past VerbForm=Part Voice=Pass	1 Light	acl
3	by	by	ADP	_	6 activity	case
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 activity	nmod:poss
5	volcanic	volcanic	ADJ	Degree=Pos	6 activity	amod
6	activity	activity	NOUN	Number=Sing	2 emitted	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	emit	participle		Light not said here				by Light's volcanic activity	vn substance_emission-43.4 «NP V NP»: agent=Source

Option 3

Light generated within its own interior

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Light	light	NOUN	Number=Sing	root	root
2	generated	generate	VERB	Tense=Past VerbForm=Part Voice=Pass	1 Light	acl
3	within	within	ADP	_	6 interior	case
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 interior	nmod:poss
5	own	own	ADJ	Degree=Pos	6 interior	amod
6	interior	interior	NOUN	Number=Sing	2 generated	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	generate	participle		Light not said here				within Light's own interior	vn grow-26.2.1 «NP.patient V PP.product»: agent=Patient

Option 4

Light received from distant stars alone

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Light	light	NOUN	Number=Sing	2 received	nsubj
2	received	receive	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	from	from	ADP	_	5 stars	case
4	distant	distant	ADJ	Degree=Pos	5 stars	amod
5	stars	star	NOUN	Number=Plur	2 received	obl
6	alone	alone	ADV	_	2 received	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	receive	past	Light			distant stars		alone property	vn obtain-13.5.2 «NP V NP PP.source»: agent=Agent from star=Source

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/myths/14-the-moon-the-planets-and-the-stars/e4/