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Test 9 · ★★★ · Balance in a food web

A town removes all fallen leaves and dead logs from a park every week for years. What slowly happens?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: town · What happens: remove, fall, happen · To what, where: fallen leaves, park

This is test 9 · ★★★ 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

Sentence 1: A town removes all fallen leaves and dead logs from a park every week for years.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 town	det
2	town	town	NOUN	Number=Sing	3 removes	nsubj
3	removes	remove	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	all	all	ADV	_	5 fallen	advmod
5	fallen	fall	VERB	Tense=Past VerbForm=Part Voice=Pass	6 leaves	amod
6	leaves	leaf	NOUN	Number=Plur	3 removes	obj
7	and	and	CCONJ	_	9 logs	cc
8	dead	dead	ADJ	Degree=Pos	9 logs	amod
9	logs	log	NOUN	Number=Plur	6 leaves	conj
10	from	from	ADP	_	12 park	case
11	a	a	DET	Definite=Ind PronType=Art	12 park	det
12	park	park	NOUN	Number=Sing	3 removes	obl
13	every	every	DET	PronType=Tot	14 week	det
14	week	week	NOUN	Number=Sing	3 removes	obl:unmarked
15	for	for	ADP	_	16 years	case
16	years	year	NOUN	Number=Plur	3 removes	obl
17	.	.	PUNCT	_	3 removes	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	remove	present	a town	fallen leaves and dead logs		a park	week; year		vn fire-10.10 «NP V NP PP.source»: agent=Agent leaf=Theme from park=Source
2	fall	participle						all property	vn occur-48.3 «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.

Sentence 2: What slowly happens?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 happens	nsubj
2	slowly	slowly	ADV	_	3 happens	advmod
3	happens	happen	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	?	?	PUNCT	_	3 happens	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	present						slowly property	vn occur-48.3-1 «NP V»: agent=Theme

The options

Option 1 · ← Mova's choice

The plants grow faster and greener than ever

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 plants	det
2	plants	plant	NOUN	Number=Plur	3 grow	nsubj
3	grow	grow	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	faster	fast	ADV	Degree=Cmp	3 grow	advmod
5	and	and	CCONJ	_	6 greener	cc
6	greener	green	ADJ	Degree=Cmp	3 grow	conj
7	than	than	ADP	_	8 ever	case
8	ever	ever	ADV	PronType=Ind	6 greener	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grow	present	the plants					fast property	vn appear-48.1.1 «NP V»: agent=Theme

Option 2

Nothing, because dead things are useless

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	root	root
2	,	,	PUNCT	_	7 useless	punct
3	because	because	SCONJ	_	7 useless	mark
4	dead	dead	ADJ	Degree=Pos	5 things	amod
5	things	thing	NOUN	Number=Plur	7 useless	nsubj
6	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	7 useless	cop
7	useless	useless	ADJ	Degree=Pos	1 Nothing	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	dead things					useless property	tree rules

Option 3

The predators get much more prey to eat

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 predators	det
2	predators	predator	NOUN	Number=Plur	3 get	nsubj
3	get	get	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	much	much	ADV	_	5 more	advmod
5	more	more	ADJ	Degree=Cmp	6 prey	amod
6	prey	prey	NOUN	Number=Sing	3 get	obj
7	to	to	PART	_	8 eat	mark
8	eat	eat	VERB	VerbForm=Inf	3 get	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	present	the predators	more prey					vn comprehend-87.2-1 «NP V NP»: agent=Experiencer prey=Stimulus
2	eat	to-infinitive	the predators not said here						vn eat-39.1-1 «NP V»: agent=Agent

Option 4 · ✓ the right answer

The soil gets poorer for the plants

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 soil	det
2	soil	soil	NOUN	Number=Sing	3 gets	nsubj
3	gets	get	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	poorer	poor	ADJ	Degree=Cmp	3 gets	xcomp
5	for	for	ADP	_	7 plants	case
6	the	the	DET	Definite=Def PronType=Art	7 plants	det
7	plants	plant	NOUN	Number=Plur	4 poorer	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	present	the soil					poor property	vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer

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/t9/