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Test 5 · ★ · Exoplanets and the search for life

In Star Wars, Luke watches two suns set on Tatooine. Could a real planet have two suns?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: Luke, real planet · What happens: watch, set, have · To what, where: two suns, Star Wars, Tatooine

This is test 5 · ★ of lesson 26 «Exoplanets and the search for life» 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

Sentence 1: In Star Wars, Luke watches two suns set on Tatooine.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	In	in	ADP	_	3 Wars	case
2	Star	Star	PROPN	Number=Sing	3 Wars	compound
3	Wars	War	PROPN	Number=Plur	6 watches	obl
4	,	,	PUNCT	_	3 Wars	punct
5	Luke	Luke	PROPN	Number=Sing	6 watches	nsubj
6	watches	watch	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
7	two	two	NUM	NumForm=Word NumType=Card	8 suns	nummod
8	suns	sun	NOUN	Number=Plur	6 watches	obj
9	set	set	VERB	Tense=Past VerbForm=Part Voice=Pass	8 suns	acl
10	on	on	ADP	_	11 Tatooine	case
11	Tatooine	Tatooine	PROPN	Number=Sing	9 set	obl
12	.	.	PUNCT	_	6 watches	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	watch	present	Luke	two suns		Star Wars			vn assessment-34.1 «NP V NP»: agent=Agent sun=Theme
2	set	participle		two suns not said here		Tatooine			vn put-9.1-2 «NP V PP.destination NP»: agent=Agent on tatooine=Destination

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.

Sentence 2: Could a real planet have two suns?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Could	could	AUX	VerbForm=Fin	4 planet	aux
2	a	a	DET	Definite=Ind PronType=Art	4 planet	det
3	real	real	ADJ	Degree=Pos	4 planet	amod
4	planet	planet	NOUN	Number=Sing	5 have	nsubj
5	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
6	two	two	NUM	NumForm=Word NumType=Card	7 suns	nummod
7	suns	sun	NOUN	Number=Plur	5 have	obj
8	?	?	PUNCT	_	5 have	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	a real planet	two suns					vn birth-28.2-1 «NP V NP»: agent=Agent sun=Patient

The options

Option 1 · ← Mova's choice

No, planets can only orbit one star

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	6 orbit	discourse
2	,	,	PUNCT	_	1 No	punct
3	planets	planet	NOUN	Number=Plur	6 orbit	nsubj
4	can	can	AUX	VerbForm=Fin	6 orbit	aux
5	only	only	ADV	_	6 orbit	advmod
6	orbit	orbit	VERB	VerbForm=Inf	root	root
7	one	one	NUM	NumForm=Word NumType=Card	8 star	nummod
8	star	star	NOUN	Number=Sing	6 orbit	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	orbit	can	planets	one star					tree rules

Option 2 · ✓ the right answer

Yes, like Kepler-16b found in 2011

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	6 16b	discourse
2	,	,	PUNCT	_	6 16b	punct
3	like	like	ADP	_	6 16b	case
4	Kepler	kepler	NOUN	Number=Sing	6 16b	compound
5	-	-	PUNCT	_	4 Kepler	punct
6	16b	16b	NOUN	Number=Sing	root	root
7	found	find	VERB	Tense=Past VerbForm=Part Voice=Pass	6 16b	acl
8	in	in	ADP	_	9 2011	case
9	2011	2011	NUM	NumForm=Digit NumType=Card	7 found	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	find	participle		Kepler 16b not said here		2011			vn declare-29.4-1-1 «NP V what S_INF»: agent=Agent

Option 3

Only in our own solar system

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Only	only	ADV	_	6 system	advmod
2	in	in	ADP	_	6 system	case
3	our	our	PRON	Case=Gen Number=Plur Person=1 Poss=Yes PronType=Prs	6 system	nmod:poss
4	own	own	ADJ	Degree=Pos	6 system	amod
5	solar	solar	ADJ	Degree=Pos	6 system	amod
6	system	system	NOUN	Number=Sing	root	root

The frames reader finds no event or fact in this sentence.

Option 4

No, two suns would always crash

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	7 crash	discourse
2	,	,	PUNCT	_	1 No	punct
3	two	two	NUM	NumForm=Word NumType=Card	4 suns	nummod
4	suns	sun	NOUN	Number=Plur	7 crash	nsubj
5	would	would	AUX	VerbForm=Fin	7 crash	aux
6	always	always	ADV	PronType=Tot	7 crash	advmod
7	crash	crash	VERB	VerbForm=Inf	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	crash	would	two suns					always property	vn break-45.1 «NP.patient V»: agent=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/26-exoplanets-and-the-search-for-life/t5/