Exam question 2 · Vents and trenches: tubeworms, iron snails, the Challenger…

Which of the following statements most accurately characterises the giant tubeworm?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · What happens: follow, characteris · To what, where: giant tubeworm

This is exam question 2 of lesson 177 «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» of the biology course of Mova's primary school, asked in stiff, formal language. 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	Which	which	PRON	PronType=Rel	8 characterises	nsubj
2	of	of	ADP	_	5 statements	case
3	the	the	DET	Definite=Def PronType=Art	5 statements	det
4	following	follow	VERB	VerbForm=Ger	5 statements	amod
5	statements	statement	NOUN	Number=Plur	8 characterises	obl
6	most	most	ADV	Degree=Sup	7 accurately	advmod
7	accurately	accurately	ADV	_	8 characterises	advmod
8	characterises	characteris	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	the	the	DET	Definite=Def PronType=Art	11 tubeworm	det
10	giant	giant	ADJ	Degree=Pos	11 tubeworm	amod
11	tubeworm	tubeworm	NOUN	Number=Sing	8 characterises	obj
12	?	?	PUNCT	_	8 characterises	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	follow	gerund							vn occur-48.3-1 «NP V»: agent=Theme
2	characteris	present		the giant tubeworm				of the following statements; accurately property	tree rules

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 photosynthesises by means of its red plumes

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 photosynthesises	nsubj
2	photosynthesises	photosynthesis	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	by	by	ADP	_	4 means	case
4	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 photosynthesises	ccomp
5	of	of	ADP	_	8 plumes	case
6	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	8 plumes	nmod:poss
7	red	red	ADJ	Degree=Pos	8 plumes	amod
8	plumes	plume	NOUN	Number=Plur	4 means	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	photosynthesis	present	It						tree rules
2	mean	present						of its red plumes	vn intend-61.2-1 «NP V S»: agent=Agent

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

It possesses neither mouth nor gut and is nourished by internal bacteria

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 possesses	nsubj
2	possesses	possess	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	neither	neither	DET	PronType=Neg	4 mouth	det
4	mouth	mouth	NOUN	Number=Sing	2 possesses	obj
5	nor	nor	CCONJ	Polarity=Neg	6 gut	cc
6	gut	gut	NOUN	Number=Sing	4 mouth	conj
7	and	and	CCONJ	_	9 nourished	cc
8	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 nourished	aux:pass
9	nourished	nourish	VERB	Tense=Past VerbForm=Part Voice=Pass	2 possesses	conj
10	by	by	ADP	_	12 bacteria	case
11	internal	internal	ADJ	Degree=Pos	12 bacteria	amod
12	bacteria	bacteria	NOUN	Number=Sing	9 nourished	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	possess	present	It	neither mouth nor gut					vn own-100.1 «NP V NP»: agent=Pivot mouth=Theme
2	nourish	present · passive	internal bacteria						vn subjugate-42.3 «NP V NP»: agent=Agent

Option 3

It captures crabs with its plumes

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 captures	nsubj
2	captures	capture	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	crabs	crab	NOUN	Number=Plur	2 captures	obj
4	with	with	ADP	_	6 plumes	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 plumes	nmod:poss
6	plumes	plume	NOUN	Number=Plur	2 captures	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	capture	present	It	crabs				with its plumes	vn steal-10.5-1 «NP V NP»: agent=Agent crab=Theme

Option 4

It is a variety of marine plant

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	4 variety	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 variety	cop
3	a	a	DET	Definite=Ind PronType=Art	4 variety	det
4	variety	variety	NOUN	Number=Sing	root	root
5	of	of	ADP	_	7 plant	case
6	marine	marine	ADJ	Degree=Pos	7 plant	amod
7	plant	plant	NOUN	Number=Sing	4 variety	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	a variety				of marine plant	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/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e2/