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Test 10 · ★★ · The aquarium: the coral reef tank

«i trod on a rock in the sea and it stung me??» What could it have been?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: i, sea · What happens: tread, sting, be · To what, where: rock, me

This is test 10 · ★★ of lesson 90 «The aquarium: the coral reef tank» of the biology 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: «i trod on a rock in the sea and it stung me??»

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	«	«	PUNCT	_	3 trod	punct
2	i	I	PRON	Case=Nom Number=Sing Person=1 PronType=Prs	3 trod	nsubj
3	trod	tread	VERB	Mood=Ind Number=Sing Person=1 Tense=Past VerbForm=Fin	root	root
4	on	on	ADP	_	6 rock	case
5	a	a	DET	Definite=Ind PronType=Art	6 rock	det
6	rock	rock	NOUN	Number=Sing	3 trod	obl
7	in	in	ADP	_	9 sea	case
8	the	the	DET	Definite=Def PronType=Art	9 sea	det
9	sea	sea	NOUN	Number=Sing	3 trod	obl
10	and	and	CCONJ	_	12 stung	cc
11	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	12 stung	nsubj
12	stung	sting	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	3 trod	conj
13	me	I	PRON	Case=Acc Number=Sing Person=1 PronType=Prs	12 stung	obj
14	??	??	PUNCT	_	3 trod	punct
15	»	»	PUNCT	_	3 trod	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	tread in a quote	past	i			a rock		in the sea	vn run-51.3.2 «NP V PP.location»: agent=Theme on rock=Trajectory
2	sting in a quote	past	sea	me					vn amuse-31.1 «NP V NP»: agent=Stimulus i=Experiencer

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 could it have been?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	5 been	obj
2	could	could	AUX	VerbForm=Fin	5 been	aux
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	5 been	nsubj
4	have	have	AUX	VerbForm=Inf	5 been	aux
5	been	be	VERB	Tense=Past VerbForm=Part	root	root
6	?	?	PUNCT	_	5 been	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	can	could · perfect	sea						vn representation-110.1 «NP V NP»: agent=Pivot what=Theme

The options

Option 1 · ← Mova's choice · ✓ the right answer

A stonefish, which looks just like a rock

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 stonefish	det
2	stonefish	stonefish	NOUN	Number=Sing	root	root
3	,	,	PUNCT	_	5 looks	punct
4	which	which	PRON	PronType=Rel	5 looks	nsubj
5	looks	look	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 stonefish	acl:relcl
6	just	just	ADV	_	9 rock	advmod
7	like	like	ADP	_	9 rock	case
8	a	a	DET	Definite=Ind PronType=Art	9 rock	det
9	rock	rock	NOUN	Number=Sing	5 looks	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	look	present	a stonefish					like a rock	vn stimulus_subject-30.4 «NP V PP.attribute»: agent=Stimulus

Option 2

A piece of coral that bites

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 piece	det
2	piece	piece	NOUN	Number=Sing	root	root
3	of	of	ADP	_	4 coral	case
4	coral	coral	NOUN	Number=Sing	2 piece	nmod
5	that	that	PRON	PronType=Rel	6 bites	nsubj
6	bites	bite	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 piece	acl:relcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	bite	present	a piece of coral						vn swat-18.2 «NP V PP»: agent=Agent

Option 3

A clownfish hiding in the weed

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 clownfish	det
2	clownfish	clownfish	NOUN	Number=Sing	root	root
3	hiding	hide	VERB	VerbForm=Ger	2 clownfish	acl
4	in	in	ADP	_	6 weed	case
5	the	the	DET	Definite=Def PronType=Art	6 weed	det
6	weed	weed	NOUN	Number=Sing	3 hiding	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hide	gerund	a clownfish not said here			the weed			vn concealment-16-1 «NP V PP.location»: agent=Agent in weed=Location

Option 4

A seahorse with a sharp tail

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 seahorse	det
2	seahorse	seahorse	NOUN	Number=Sing	root	root
3	with	with	ADP	_	6 tail	case
4	a	a	DET	Definite=Ind PronType=Art	6 tail	det
5	sharp	sharp	ADJ	Degree=Pos	6 tail	amod
6	tail	tail	NOUN	Number=Sing	2 seahorse	nmod

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

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/biology/90-aquarium-the-coral-reef-tank/t10/