Test 7 · Telescopes and light

Why does the Atacama Desert in Chile host so many telescopes?

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

This is test 7 of lesson 27 «Telescopes and light» of the space 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=Rel	root	root
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Why	cop
3	the	the	DET	Definite=Def PronType=Art	5 Desert	det
4	Atacama	Atacama	PROPN	Number=Sing	5 Desert	compound
5	Desert	Desert	PROPN	Number=Sing	8 host	compound
6	in	in	ADP	_	7 Chile	case
7	Chile	Chile	PROPN	Number=Sing	5 Desert	nmod
8	host	host	NOUN	Number=Sing	1 Why	nsubj
9	so	so	ADV	_	10 many	advmod
10	many	many	ADJ	Degree=Pos	11 telescopes	amod
11	telescopes	telescope	NOUN	Number=Plur	8 host	conj
12	?	?	PUNCT	_	1 Why	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Desert host and many telescopes					why 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

It is the only place on Earth where stars can be seen

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	5 place	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 place	cop
3	the	the	DET	Definite=Def PronType=Art	5 place	det
4	only	only	ADJ	Degree=Pos	5 place	amod
5	place	place	NOUN	Number=Sing	root	root
6	on	on	ADP	_	7 Earth	case
7	Earth	Earth	PROPN	Number=Sing	5 place	nmod
8	where	where	ADV	PronType=Rel	12 seen	advmod
9	stars	star	NOUN	Number=Plur	12 seen	nsubj:pass
10	can	can	AUX	VerbForm=Fin	12 seen	aux
11	be	be	AUX	VerbForm=Inf	12 seen	aux:pass
12	seen	see	VERB	Tense=Past VerbForm=Part Voice=Pass	5 place	acl:relcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	the only place		Earth			tree rules
2	see	can · passive		stars					vn comprehend-87.2-1-1 «NP V NP»: subject=Stimulus

Option 2 · ✓ the right answer

It is high and very dry, so the sky is clear

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	3 high	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 high	cop
3	high	high	ADJ	Degree=Pos	root	root
4	and	and	CCONJ	_	6 dry	cc
5	very	very	ADV	_	6 dry	advmod
6	dry	dry	ADJ	Degree=Pos	3 high	conj
7	,	,	PUNCT	_	12 clear	punct
8	so	so	ADV	_	12 clear	advmod
9	the	the	DET	Definite=Def PronType=Art	10 sky	det
10	sky	sky	NOUN	Number=Sing	12 clear	nsubj
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 clear	cop
12	clear	clear	ADJ	Degree=Pos	3 high	conj

#	verb	tense, mood	who	other	roles by
1	is	present	It	high property	tree rules
2	be				tree rules
3	is	present	the sky	clear property	tree rules

Option 3

It is the closest place on the Earth to the Moon

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	5 place	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 place	cop
3	the	the	DET	Definite=Def PronType=Art	5 place	det
4	closest	close	ADJ	Degree=Sup	5 place	amod
5	place	place	NOUN	Number=Sing	root	root
6	on	on	ADP	_	8 Earth	case
7	the	the	DET	Definite=Def PronType=Art	8 Earth	det
8	Earth	Earth	PROPN	Number=Sing	5 place	nmod
9	to	to	ADP	_	11 Moon	case
10	the	the	DET	Definite=Def PronType=Art	11 Moon	det
11	Moon	Moon	PROPN	Number=Sing	5 place	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	the closest place		the Earth		to the Moon	tree rules

Option 4

It never gets dark there, so they can work all day

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	3 gets	nsubj
2	never	never	ADV	PronType=Neg	3 gets	advmod
3	gets	get	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	dark	dark	ADJ	Degree=Pos	3 gets	xcomp
5	there	there	ADV	PronType=Dem	4 dark	advmod
6	,	,	PUNCT	_	10 work	punct
7	so	so	ADV	_	10 work	advmod
8	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	10 work	nsubj
9	can	can	AUX	VerbForm=Fin	10 work	aux
10	work	work	VERB	VerbForm=Inf	3 gets	conj
11	all	all	DET	PronType=Tot	12 day	det
12	day	day	NOUN	Number=Sing	10 work	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not get	present	It					dark property	vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer
2	work	can	they				day		vn employment-95.3 «NP V»: agent=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/space/27-telescopes-and-light/t7/