Test 13 · ★★★ · Balance in a food web

my sister says predators are bad for a habitat and we should get rid of them. true?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: sister, predators, we · What happens: say, be, get · Speech: someone speaks here

This is test 13 · ★★★ of lesson 30 «Balance in a food web» of the world 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	my	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	2 sister	nmod:poss
2	sister	sister	NOUN	Number=Sing	3 says	nsubj
3	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	predators	predator	NOUN	Number=Plur	6 bad	nsubj
5	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 bad	cop
6	bad	bad	ADJ	Degree=Pos	3 says	ccomp
7	for	for	ADP	_	9 habitat	case
8	a	a	DET	Definite=Ind PronType=Art	9 habitat	det
9	habitat	habitat	NOUN	Number=Sing	6 bad	obl
10	and	and	CCONJ	_	13 get	cc
11	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	13 get	nsubj
12	should	should	AUX	VerbForm=Fin	13 get	aux
13	get	get	VERB	VerbForm=Inf	3 says	conj
14	rid	rid	ADJ	Degree=Pos	13 get	xcomp
15	of	of	ADP	_	16 them	case
16	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	14 rid	obl
17	.	.	PUNCT	_	13 get	punct
18	true	true	ADJ	Degree=Pos	13 get	xcomp
19	?	?	PUNCT	_	3 says	punct

#	verb	tense, mood	who	other	roles by
1	say speech: assert	present	my sister		vn say-37.7-1-1 «NP V that S»: agent=Agent
2	is	present	predators	for a habitat; bad property	tree rules
3	get	should	we	rid, true property	vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer

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

No, but only because they eat the plants

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	7 eat	discourse
2	,	,	PUNCT	_	7 eat	punct
3	but	but	CCONJ	_	7 eat	cc
4	only	only	ADV	_	7 eat	advmod
5	because	because	SCONJ	_	7 eat	mark
6	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	7 eat	nsubj
7	eat	eat	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
8	the	the	DET	Definite=Def PronType=Art	9 plants	det
9	plants	plant	NOUN	Number=Plur	7 eat	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	present	they	the plants					vn eat-39.1-1 «NP V NP»: agent=Agent plant=Patient

Option 2

Yes, without them all animals live in peace

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 live	discourse
2	,	,	PUNCT	_	7 live	punct
3	without	without	ADP	_	4 them	case
4	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	7 live	obl
5	all	all	DET	PronType=Tot	6 animals	det
6	animals	animal	NOUN	Number=Plur	7 live	nsubj
7	live	live	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
8	in	in	ADP	_	9 peace	case
9	peace	peace	NOUN	Number=Sing	7 live	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	live	present	all animals			peace		without them = they	vn lodge-46 «NP V PP.location»: agent=Theme in peace=Location

Option 3 · ✓ the right answer

No, they keep plant-eaters from growing too many

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	4 keep	discourse
2	,	,	PUNCT	_	4 keep	punct
3	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 keep	nsubj
4	keep	keep	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	plant	plant	NOUN	Number=Sing	7 eaters	compound
6	-	-	PUNCT	_	5 plant	punct
7	eaters	eater	NOUN	Number=Plur	4 keep	obj
8	from	from	SCONJ	_	9 growing	mark
9	growing	grow	VERB	Tense=Pres VerbForm=Part	4 keep	advcl
10	too	too	ADV	_	11 many	advmod
11	many	many	ADJ	Degree=Pos	9 growing	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	keep	present	they	plant eaters					vn keep-15.2 «NP V NP»: agent=Agent eater=Theme
2	grow	gerund	they not said here	many					vn appear-48.1.1 «PP.location V NP»: agent=Location many=Theme

Option 4

Yes, a habitat is healthier with no predators

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	6 healthier	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	a	a	DET	Definite=Ind PronType=Art	4 habitat	det
4	habitat	habitat	NOUN	Number=Sing	6 healthier	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 healthier	cop
6	healthier	healthy	ADJ	Degree=Cmp	root	root
7	with	with	ADP	_	9 predators	case
8	no	no	DET	PronType=Neg	9 predators	det
9	predators	predator	NOUN	Number=Plur	6 healthier	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	a habitat					with no predators; healthy property	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/world/30-balance-in-food-webs/t13/