Test 7 · ★ · Mars

Why did the Mars rovers go to old crater lake beds?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: Mars rovers · What happens: go · To what, where: old lake beds

This is test 7 · ★ of lesson 8 «Mars» 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=Int	6 go	advmod
2	did	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	6 go	aux
3	the	the	DET	Definite=Def PronType=Art	5 rovers	det
4	Mars	Mars	PROPN	Number=Sing	5 rovers	compound
5	rovers	rover	NOUN	Number=Plur	6 go	nsubj
6	go	go	VERB	Mood=Ind Number=Sing Person=1 Tense=Pres VerbForm=Fin	root	root
7	to	to	ADP	_	11 beds	case
8	old	old	ADJ	Degree=Pos	11 beds	amod
9	crater	crater	NOUN	Number=Sing	10 lake	compound
10	lake	lake	NOUN	Number=Sing	11 beds	compound
11	beds	bed	NOUN	Number=Plur	6 go	obl
12	?	?	PUNCT	_	6 go	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	go	past · do-support	the Mars rovers			old lake beds			vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme to bed=Initial_Location

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

It is the only flat ground on Mars

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	6 ground	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 ground	cop
3	the	the	DET	Definite=Def PronType=Art	6 ground	det
4	only	only	ADJ	Degree=Pos	6 ground	amod
5	flat	flat	ADJ	Degree=Pos	6 ground	amod
6	ground	ground	NOUN	Number=Sing	root	root
7	on	on	ADP	_	8 Mars	case
8	Mars	Mars	PROPN	Number=Sing	6 ground	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	the only flat ground		Mars			tree rules

Option 2 · ← Mova's choice · ✓ the right answer

Old lake beds are good places to look for signs of past life

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Old	old	ADJ	Degree=Pos	3 beds	amod
2	lake	lake	NOUN	Number=Sing	3 beds	compound
3	beds	bed	NOUN	Number=Plur	6 places	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 places	cop
5	good	good	ADJ	Degree=Pos	6 places	amod
6	places	place	NOUN	Number=Plur	root	root
7	to	to	PART	_	8 look	mark
8	look	look	VERB	VerbForm=Inf	6 places	acl
9	for	for	ADP	_	10 signs	case
10	signs	sign	NOUN	Number=Plur	8 look	obl
11	of	of	ADP	_	13 life	case
12	past	past	ADJ	Degree=Pos	13 life	amod
13	life	life	NOUN	Number=Sing	10 signs	nmod

#	verb	tense, mood	who	what, whom	other	roles by
1	is a	present	Old lake beds	good places		tree rules
2	look	to-infinitive			for signs of past life	vn rummage-35.5 «NP V PP.location PP.theme»: agent=Agent for sign=Theme
3	sign			past life		nom sign «communication transitive»: of=patient

Option 3

Craters have the best phone signal

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Craters	crater	NOUN	Number=Plur	2 have	nsubj
2	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	6 signal	det
4	best	good	ADJ	Degree=Sup	6 signal	amod
5	phone	phone	NOUN	Number=Sing	6 signal	compound
6	signal	signal	NOUN	Number=Sing	2 have	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	Craters	the best phone signal					vn birth-28.2-1 «NP V NP»: agent=Agent signal=Patient

Option 4

Craters are the warmest places on Mars

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Craters	crater	NOUN	Number=Plur	5 places	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 places	cop
3	the	the	DET	Definite=Def PronType=Art	5 places	det
4	warmest	warm	ADJ	Degree=Sup	5 places	amod
5	places	place	NOUN	Number=Plur	root	root
6	on	on	ADP	_	7 Mars	case
7	Mars	Mars	PROPN	Number=Sing	5 places	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Craters	the warmest places		Mars			tree rules

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/8-mars/t7/