Test 8 · ★ · Food chains: sun, plants, plant-eaters, meat-eaters

«why'd they bring wolves back, they'll just eat stuff» What did scientists see?

Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · Who acts: they, wolves, scientists · What happens: bring back, eat, see · To what, where: wolves, stuff

This is test 8 · ★ of lesson 46 «Food chains: sun, plants, plant-eaters, meat-eaters» 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	«	«	PUNCT	_	5 bring	punct
2	why	why	ADV	PronType=Int	5 bring	advmod
3	'd	would	AUX	VerbForm=Fin	5 bring	aux
4	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	5 bring	nsubj
5	bring	bring	VERB	VerbForm=Inf	root	root
6	wolves	wolf	NOUN	Number=Plur	5 bring	obj
7	back	back	ADV	_	5 bring	advmod
8	,	,	PUNCT	_	12 eat	punct
9	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	12 eat	nsubj
10	'll	will	AUX	VerbForm=Fin	12 eat	aux
11	just	just	ADV	_	12 eat	advmod
12	eat	eat	VERB	VerbForm=Inf	5 bring	conj
13	stuff	stuff	NOUN	Number=Sing	12 eat	obj
14	»	»	PUNCT	_	5 bring	punct
15	What	what	PRON	PronType=Int	18 see	obj
16	did	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	18 see	aux
17	scientists	scientist	NOUN	Number=Plur	18 see	nsubj
18	see	see	VERB	VerbForm=Inf	5 bring	conj
19	?	?	PUNCT	_	5 bring	punct

#	verb	tense, mood	who	what, whom	roles by
1	bring back in a quote	would	they	wolves	vn bring-11.3-1 «NP V NP together»: agent=Agent wolf=Theme
2	eat in a quote	future	wolves = wolf	stuff	vn eat-39.1-1 «NP V NP»: agent=Agent stuff=Patient
3	see	past · do-support	scientists		vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer what=Stimulus

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

The wolves made the rivers dry up

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 wolves	det
2	wolves	wolf	NOUN	Number=Plur	3 made	nsubj
3	made	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 rivers	det
5	rivers	river	NOUN	Number=Plur	6 dry	nsubj
6	dry	dry	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 made	ccomp
7	up	up	ADP	_	6 dry	compound:prt

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	past	the wolves						tree rules
2	dry up	present	the rivers						vn other_cos-45.4-1 «NP.patient V»: agent=Patient

Option 2 · ← Mova's choice

The wolves ate every single animal in the park, then started on each other

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 wolves	det
2	wolves	wolf	NOUN	Number=Plur	3 ate	nsubj
3	ate	eat	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
4	every	every	DET	PronType=Tot	6 animal	det
5	single	single	ADJ	Degree=Pos	6 animal	amod
6	animal	animal	NOUN	Number=Sing	3 ate	obj
7	in	in	ADP	_	9 park	case
8	the	the	DET	Definite=Def PronType=Art	9 park	det
9	park	park	NOUN	Number=Sing	3 ate	obl
10	,	,	PUNCT	_	12 started	punct
11	then	then	ADV	PronType=Dem	12 started	advmod
12	started	start	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	3 ate	conj
13	on	on	ADP	_	14 each	case
14	each	each	DET	ExtPos=PRON PronType=Rcp	12 started	obl
15	other	other	ADJ	Degree=Pos	14 each	fixed

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	past	the wolves	every single animal		the park			vn eat-39.1-1 «NP V NP»: agent=Agent animal=Patient
2	start	past	the wolves not said here			each	then		vn begin-55.1-1-1 «NP.eventuality V»: agent=Eventuality

Option 3

Nothing at all happened

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	4 happened	nsubj
2	at	at	ADP	_	3 all	case
3	all	all	DET	PronType=Tot	1 Nothing	nmod
4	happened	happen	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	past	Nothing						vn occur-48.3-1 «NP V»: agent=Theme

Option 4 · ✓ the right answer

Elk grazed differently and some young trees grew back, though how much is argued

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Elk	elk	NOUN	Number=Plur	2 grazed	nsubj
2	grazed	graze	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	differently	differently	ADV	_	2 grazed	advmod
4	and	and	CCONJ	_	8 grew	cc
5	some	some	DET	PronType=Ind	7 trees	det
6	young	young	ADJ	Degree=Pos	7 trees	amod
7	trees	tree	NOUN	Number=Plur	8 grew	nsubj
8	grew	grow	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	2 grazed	conj
9	back	back	ADV	_	8 grew	advmod
10	,	,	PUNCT	_	15 argued	punct
11	though	though	SCONJ	_	15 argued	mark
12	how	how	ADV	PronType=Int	13 much	advmod
13	much	much	ADJ	Degree=Pos	15 argued	nsubj:pass
14	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	15 argued	aux:pass
15	argued	argue	VERB	Tense=Past VerbForm=Part Voice=Pass	8 grew	conj

#	verb	tense, mood	who	what, whom	other	roles by
1	graze	past	Elk		differently property	vn dine-39.5 «NP V»: agent=Agent
2	grow back	past	some young trees			vn appear-48.1.1 «NP V»: agent=Theme
3	argue speech: disagree	present · passive		much		vn correspond-36.1-1 «NP V S»: subject=Topic

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/46-food-chains/t8/