Test 7 · ★★★ · Sea lions, seals and otters

If all the sea otters vanished from a coast, what would happen to the kelp forest?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: sea otters · What happens: vanish, happen · To what, where: coast

This is test 7 · ★★★ of lesson 100 «Sea lions, seals and otters» 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	If	if	SCONJ	_	6 vanished	mark
2	all	all	DET	PronType=Tot	5 otters	det:predet
3	the	the	DET	Definite=Def PronType=Art	5 otters	det
4	sea	sea	NOUN	Number=Sing	5 otters	compound
5	otters	otter	NOUN	Number=Plur	6 vanished	nsubj
6	vanished	vanish	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	13 happen	advcl
7	from	from	ADP	_	9 coast	case
8	a	a	DET	Definite=Ind PronType=Art	9 coast	det
9	coast	coast	NOUN	Number=Sing	6 vanished	obl
10	,	,	PUNCT	_	6 vanished	punct
11	what	what	PRON	PronType=Int	13 happen	nsubj
12	would	would	AUX	VerbForm=Fin	13 happen	aux
13	happen	happen	VERB	VerbForm=Inf	root	root
14	to	to	ADP	_	17 forest	case
15	the	the	DET	Definite=Def PronType=Art	17 forest	det
16	kelp	kelp	NOUN	Number=Sing	17 forest	compound
17	forest	forest	NOUN	Number=Sing	13 happen	obl
18	?	?	PUNCT	_	13 happen	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	vanish a condition, not said to happen	past	all sea otters			a coast			vn disappearance-48.2-1 «NP V PP»: agent=Theme from coast=Initial_Location
2	happen	would						to the kelp forest	vn occur-48.3-1 «NP V»: agent=Theme

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 · ← Mova's choice · ✓ the right answer

Urchins would multiply and could eat it bare

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Urchins	urchin	NOUN	Number=Plur	3 multiply	nsubj
2	would	would	AUX	VerbForm=Fin	3 multiply	aux
3	multiply	multiply	VERB	VerbForm=Inf	root	root
4	and	and	CCONJ	_	6 eat	cc
5	could	could	AUX	VerbForm=Fin	6 eat	aux
6	eat	eat	VERB	VerbForm=Inf	3 multiply	conj
7	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	6 eat	obj
8	bare	bare	ADJ	Degree=Pos	6 eat	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	multiply	would	Urchins						vn birth-28.2-2 «NP V»: agent=Agent
2	eat	could	Urchins not said here	it				bare property	vn eat-39.1-1 «NP V NP»: agent=Agent it=Patient

Option 2

Nothing, otters eat only kelp

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	4 eat	vocative
2	,	,	PUNCT	_	1 Nothing	punct
3	otters	otter	NOUN	Number=Plur	4 eat	nsubj
4	eat	eat	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	only	only	ADV	_	6 kelp	advmod
6	kelp	kelp	NOUN	Number=Sing	4 eat	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	present	otters	kelp				Nothing vocative	vn eat-39.1-1 «NP V NP»: agent=Agent kelp=Patient

Option 3

The kelp would turn into coral

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 kelp	det
2	kelp	kelp	NOUN	Number=Sing	4 turn	nsubj
3	would	would	AUX	VerbForm=Fin	4 turn	aux
4	turn	turn	VERB	VerbForm=Inf	root	root
5	into	into	ADP	_	6 coral	case
6	coral	coral	NOUN	Number=Sing	4 turn	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	would	the kelp			coral			vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into coral=Trajectory

Option 4

The kelp would grow faster than ever, with no otters to eat it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 kelp	det
2	kelp	kelp	NOUN	Number=Sing	4 grow	nsubj
3	would	would	AUX	VerbForm=Fin	4 grow	aux
4	grow	grow	VERB	VerbForm=Inf	root	root
5	faster	fast	ADV	Degree=Cmp	4 grow	advmod
6	than	than	ADP	_	7 ever	case
7	ever	ever	ADV	PronType=Ind	5 faster	obl
8	,	,	PUNCT	_	11 otters	punct
9	with	with	ADP	_	11 otters	case
10	no	no	DET	PronType=Neg	11 otters	det
11	otters	otter	NOUN	Number=Plur	4 grow	obl
12	to	to	PART	_	13 eat	mark
13	eat	eat	VERB	VerbForm=Inf	11 otters	acl
14	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	13 eat	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grow	would	the kelp					with no otters; fast property	vn appear-48.1.1 «NP V»: agent=Theme
2	eat	to-infinitive	the kelp not said here	kelp					vn eat-39.1-1 «NP V NP»: agent=Agent it=Patient

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/100-sea-lions-seals-and-otters/t7/