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Test 6 · The aquarium: the shark tunnel and the rays

A ray in the touch pool has no barb on its tail. Why?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: ray · What happens: have · To what, where: barb, tail

This is test 6 of lesson 91 «The aquarium: the shark tunnel and the rays» 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: A ray in the touch pool has no barb on its tail.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 ray	det
2	ray	ray	NOUN	Number=Sing	7 has	nsubj
3	in	in	ADP	_	6 pool	case
4	the	the	DET	Definite=Def PronType=Art	6 pool	det
5	touch	touch	NOUN	Number=Sing	6 pool	compound
6	pool	pool	NOUN	Number=Sing	2 ray	nmod
7	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
8	no	no	DET	PronType=Neg	9 barb	det
9	barb	barb	NOUN	Number=Sing	7 has	obj
10	on	on	ADP	_	12 tail	case
11	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	12 tail	nmod:poss
12	tail	tail	NOUN	Number=Sing	9 barb	nmod
13	.	.	PUNCT	_	7 has	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	a ray in the touch pool	no barb		ray's tail			vn birth-28.2-1 «NP V NP»: agent=Agent barb=Patient

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: Why?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	root	root
2	?	?	PUNCT	_	1 Why	punct

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

The options

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

Keepers trimmed it safely so visitors cannot be stung

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Keepers	keeper	NOUN	Number=Plur	2 trimmed	nsubj
2	trimmed	trim	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	2 trimmed	obj
4	safely	safely	ADV	_	2 trimmed	advmod
5	so	so	SCONJ	_	10 stung	mark
6	visitors	visitor	NOUN	Number=Plur	10 stung	nsubj:pass
7	can	can	AUX	VerbForm=Fin	10 stung	aux
8	not	not	PART	Polarity=Neg	10 stung	advmod
9	be	be	AUX	VerbForm=Inf	10 stung	aux:pass
10	stung	sting	VERB	Tense=Past VerbForm=Part Voice=Pass	2 trimmed	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	trim	past	Keepers	it				safely property	vn braid-41.2.2 «NP V NP»: agent=Agent it=Patient
2	not sting	can · passive		visitors					vn amuse-31.1 «NP V NP»: subject=Experiencer

Option 2

Rays are born without barbs

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Rays	ray	NOUN	Number=Plur	3 born	nsubj:pass
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 born	aux:pass
3	born	bear	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	without	without	ADP	_	5 barbs	case
5	barbs	barb	NOUN	Number=Plur	3 born	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	bear	present · passive		Rays				without barbs	vn birth-28.2-1-1 «NP V NP»: subject=Patient

Option 3

It used the barb to spear fish and snapped it off on a rock

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	2 used	nsubj
2	used	use	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 barb	det
4	barb	barb	NOUN	Number=Sing	2 used	obj
5	to	to	PART	_	7 fish	mark
6	spear	spear	NOUN	Number=Sing	7 fish	compound
7	fish	fish	NOUN	Number=Sing	2 used	advcl
8	and	and	CCONJ	_	9 snapped	cc
9	snapped	snap	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	2 used	conj
10	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 snapped	obj
11	off	off	ADP	_	9 snapped	compound:prt
12	on	on	ADP	_	14 rock	case
13	a	a	DET	Definite=Ind PronType=Art	14 rock	det
14	rock	rock	NOUN	Number=Sing	9 snapped	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use	past	It	the barb					vn eat-39.1 «NP V NP»: agent=Agent barb=Patient
2	snap off	past		barb		a rock			vn sound_emission-43.2 «PP.location V NP»: agent=Location it=Theme

Option 4

The barb only grows in the wild ocean

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 barb	det
2	barb	barb	NOUN	Number=Sing	4 grows	nsubj
3	only	only	ADV	_	4 grows	advmod
4	grows	grow	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	in	in	ADP	_	8 ocean	case
6	the	the	DET	Definite=Def PronType=Art	8 ocean	det
7	wild	wild	ADJ	Degree=Pos	8 ocean	amod
8	ocean	ocean	NOUN	Number=Sing	4 grows	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grow	present	the barb			the wild ocean			vn appear-48.1.1 «NP V PP.location»: agent=Theme in ocean=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/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/t6/