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Test 4 · ★ · Mars

A Mars rover finds smooth, rounded pebbles like those in a stream. What do they suggest?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: Mars rover, pebbles · What happens: find, suggest · To what, where: smooth rounded pebbles

This is test 4 · ★ 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

Sentence 1: A Mars rover finds smooth, rounded pebbles like those in a stream.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 rover	det
2	Mars	Mars	PROPN	Number=Sing	3 rover	compound
3	rover	rover	NOUN	Number=Sing	4 finds	nsubj
4	finds	find	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	smooth	smooth	ADJ	Degree=Pos	8 pebbles	amod
6	,	,	PUNCT	_	5 smooth	punct
7	rounded	rounded	ADJ	Degree=Pos	8 pebbles	amod
8	pebbles	pebble	NOUN	Number=Plur	4 finds	obj
9	like	like	ADP	_	10 those	case
10	those	that	PRON	Number=Plur PronType=Dem	8 pebbles	nmod
11	in	in	ADP	_	13 stream	case
12	a	a	DET	Definite=Ind PronType=Art	13 stream	det
13	stream	stream	NOUN	Number=Sing	10 those	nmod
14	.	.	PUNCT	_	4 finds	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	find	present	a Mars rover	smooth rounded pebbles				like those	vn discover-84 «NP V NP»: agent=Agent pebble=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.

Sentence 2: What do they suggest?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	4 suggest	obj
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 suggest	aux
3	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 suggest	nsubj
4	suggest	suggest	VERB	VerbForm=Inf	root	root
5	?	?	PUNCT	_	4 suggest	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	suggest speech: suggest	present · do-support	pebbles = pebble						vn say-37.7-1-1-1 «NP V NP.topic»: agent=Agent what=Topic

The options

Option 1 · ← Mova's choice

Wind on Mars rolls them round every day

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wind	wind	NOUN	Number=Sing	4 rolls	nsubj
2	on	on	ADP	_	3 Mars	case
3	Mars	Mars	PROPN	Number=Sing	1 Wind	nmod
4	rolls	roll	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	4 rolls	obj
6	round	round	ADV	_	4 rolls	advmod
7	every	every	DET	PronType=Tot	8 day	det
8	day	day	NOUN	Number=Sing	4 rolls	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	roll	present	Wind on Mars	them = they			day	round property	vn run-51.3.2-2 «NP V NP»: agent=Agent they=Agent

Option 2 · ✓ the right answer

Water once flowed there long ago

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Water	water	NOUN	Number=Sing	3 flowed	nsubj
2	once	once	ADV	NumForm=Word NumType=Mult	3 flowed	advmod
3	flowed	flow	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
4	there	there	ADV	PronType=Dem	3 flowed	advmod
5	long	long	ADV	Degree=Pos	6 ago	advmod
6	ago	ago	ADV	_	3 flowed	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	flow	past	Water			there		ago, once property	vn appear-48.1.1 «NP V»: agent=Theme

Option 3

Someone polished them recently

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Someone	someone	PRON	Number=Sing PronType=Ind	2 polished	nsubj
2	polished	polish	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	2 polished	obj
4	recently	recently	ADV	_	2 polished	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	polish	past	Someone	them = they				recently property	vn butter-9.9 «NP V NP.destination»: agent=Agent they=Destination

Option 4

They fell from the Moon

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	2 fell	nsubj
2	fell	fall	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	from	from	ADP	_	5 Moon	case
4	the	the	DET	Definite=Def PronType=Art	5 Moon	det
5	Moon	Moon	PROPN	Number=Sing	2 fell	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	fall	past	They			the Moon			vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from moon=Initial_Location

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/t4/