Test 6 · ★★ · Amazon giants and tall tales: anacondas, caimans, electric…

What would happen if the black caimans came back to a river where they had been hunted?

Mova's choice: option 3 · The right answer: option 2 · wrong ✗ · Who acts: black caimans · What happens: happen, come back, hunt · To what, where: river, caimans

This is test 6 · ★★ of lesson 158 «Amazon giants and tall tales: anacondas, caimans, electric eels and the candiru» 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	What	what	PRON	PronType=Int	3 happen	nsubj
2	would	would	AUX	VerbForm=Fin	3 happen	aux
3	happen	happen	VERB	VerbForm=Inf	root	root
4	if	if	SCONJ	_	8 came	mark
5	the	the	DET	Definite=Def PronType=Art	7 caimans	det
6	black	black	ADJ	Degree=Pos	7 caimans	amod
7	caimans	caiman	NOUN	Number=Plur	8 came	nsubj
8	came	come	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	3 happen	advcl
9	back	back	ADV	_	8 came	advmod
10	to	to	ADP	_	12 river	case
11	a	a	DET	Definite=Ind PronType=Art	12 river	det
12	river	river	NOUN	Number=Sing	8 came	obl
13	where	where	ADV	PronType=Rel	17 hunted	advmod
14	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	17 hunted	nsubj:pass
15	had	have	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	17 hunted	aux
16	been	be	AUX	Tense=Past VerbForm=Part	17 hunted	aux:pass
17	hunted	hunt	VERB	Tense=Past VerbForm=Part Voice=Pass	12 river	acl:relcl
18	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	who	what, whom	where	roles by
1	happen	would				vn occur-48.3-1 «NP V»: agent=Theme
2	come back a condition, not said to happen	past	the black caimans		a river	vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme to river=Initial_Location
3	hunt	past · perfect · passive		caimans = caiman		vn hunt-35.1 «NP V NP»: subject=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

Piranhas would all grow huge and fat

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Piranhas	piranha	NOUN	Number=Plur	4 grow	nsubj
2	would	would	AUX	VerbForm=Fin	4 grow	aux
3	all	all	ADV	_	4 grow	advmod
4	grow	grow	VERB	VerbForm=Inf	root	root
5	huge	huge	ADJ	Degree=Pos	4 grow	xcomp
6	and	and	CCONJ	_	7 fat	cc
7	fat	fat	ADJ	Degree=Pos	5 huge	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grow	would	Piranhas					all, huge property	vn appear-48.1.1 «NP V»: agent=Theme

Option 2 · ✓ the right answer

Piranha numbers would go down again

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Piranha	piranha	NOUN	Number=Sing	2 numbers	compound
2	numbers	number	NOUN	Number=Plur	4 go	nsubj
3	would	would	AUX	VerbForm=Fin	4 go	aux
4	go	go	VERB	VerbForm=Inf	root	root
5	down	down	ADV	_	4 go	advmod
6	again	again	ADV	_	4 go	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	go down	would	Piranha numbers				again	down property	vn calibratable_cos-45.6.1-1 «NP.attribute V»: agent=Attribute

Option 3 · ← Mova's choice

Capybaras would come back and start eating the fish

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Capybaras	capybara	NOUN	Number=Plur	3 come	nsubj
2	would	would	AUX	VerbForm=Fin	3 come	aux
3	come	come	VERB	VerbForm=Inf	root	root
4	back	back	ADV	_	3 come	advmod
5	and	and	CCONJ	_	6 start	cc
6	start	start	VERB	VerbForm=Inf	3 come	conj
7	eating	eat	VERB	VerbForm=Ger	6 start	xcomp
8	the	the	DET	Definite=Def PronType=Art	9 fish	det
9	fish	fish	NOUN	Number=Sing	7 eating	obj

#	verb	tense, mood	who	what, whom	roles by
1	come back	would	Capybaras		vn escape-51.1-1 «NP V»: agent=Theme
2	start	infinitive	Capybaras not said here		vn begin-55.1-1-1 «NP V S_ING»: agent=Agent clause=Eventuality
3	eat	gerund	Capybaras not said here	the fish	vn eat-39.1-1 «NP V NP»: agent=Agent fish=Patient

Option 4

All the other fish would vanish at once

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	All	all	DET	PronType=Tot	4 fish	det:predet
2	the	the	DET	Definite=Def PronType=Art	4 fish	det
3	other	other	ADJ	Degree=Pos	4 fish	amod
4	fish	fish	NOUN	Number=Sing	6 vanish	nsubj
5	would	would	AUX	VerbForm=Fin	6 vanish	aux
6	vanish	vanish	VERB	VerbForm=Inf	root	root
7	at	at	ADP	_	8 once	case
8	once	once	ADV	NumForm=Word NumType=Mult	6 vanish	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	vanish	would	all other fish						vn disappearance-48.2-1 «NP V»: agent=Theme

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/158-amazon-giants-and-tall-tales/t6/