Test 6 · ★ · How plants make their food

Why do many plants on a dark forest floor have very large leaves?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: many plants · What happens: do, have · To what, where: large leaves

This is test 6 · ★ of lesson 22 «How plants make their food» 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	Why	why	ADV	PronType=Int	2 do	advmod
2	do	do	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	10 have	advcl
3	many	many	ADJ	Degree=Pos	4 plants	amod
4	plants	plant	NOUN	Number=Plur	10 have	nsubj
5	on	on	ADP	_	9 floor	case
6	a	a	DET	Definite=Ind PronType=Art	9 floor	det
7	dark	dark	ADJ	Degree=Pos	9 floor	amod
8	forest	forest	NOUN	Number=Sing	9 floor	compound
9	floor	floor	NOUN	Number=Sing	4 plants	nmod
10	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
11	very	very	ADV	_	12 large	advmod
12	large	large	ADJ	Degree=Pos	13 leaves	amod
13	leaves	leaf	NOUN	Number=Plur	10 have	obj
14	?	?	PUNCT	_	10 have	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present	many plants on a dark forest floor not said here						vn act-114-1 «NP V»: agent=Agent
2	have	present	many plants on a dark forest floor	large leaves					vn birth-28.2-1 «NP V NP»: agent=Agent leaf=Patient

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

To keep the rain off the soil

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 keep	mark
2	keep	keep	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 rain	det
4	rain	rain	NOUN	Number=Sing	2 keep	obj
5	off	off	ADP	_	7 soil	case
6	the	the	DET	Definite=Def PronType=Art	7 soil	det
7	soil	soil	NOUN	Number=Sing	2 keep	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	keep	to-infinitive		the rain				off the soil	vn keep-15.2 «NP V NP»: agent=Agent rain=Theme

Option 2 · ← Mova's choice · ✓ the right answer

To catch the little light that reaches them

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 catch	mark
2	catch	catch	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	5 light	det
4	little	little	ADJ	Degree=Pos	5 light	amod
5	light	light	NOUN	Number=Sing	2 catch	obj
6	that	that	PRON	PronType=Rel	7 reaches	nsubj
7	reaches	reach	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 light	acl:relcl
8	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	7 reaches	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	catch	to-infinitive		the little light					vn get-13.5.1 «NP V NP»: agent=Agent light=Theme
2	reach	present	the little light	them = they					vn body_motion-49.2-1-1 «NP V NP ADV»: agent=Agent they=Theme

Option 3

To hold more air inside them, like a balloon

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 hold	mark
2	hold	hold	VERB	Mood=Imp VerbForm=Fin	root	root
3	more	more	ADJ	Degree=Cmp	4 air	amod
4	air	air	NOUN	Number=Sing	2 hold	obj
5	inside	inside	ADP	_	6 them	case
6	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	2 hold	obl
7	,	,	PUNCT	_	10 balloon	punct
8	like	like	ADP	_	10 balloon	case
9	a	a	DET	Definite=Ind PronType=Art	10 balloon	det
10	balloon	balloon	NOUN	Number=Sing	2 hold	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hold	to-infinitive		more air				inside them = they; like a balloon	vn keep-15.2 «NP V NP PP.location»: agent=Agent air=Theme inside they=Location

Option 4

To hide from the animals

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 hide	mark
2	hide	hide	VERB	Mood=Imp VerbForm=Fin	root	root
3	from	from	ADP	_	5 animals	case
4	the	the	DET	Definite=Def PronType=Art	5 animals	det
5	animals	animal	NOUN	Number=Plur	2 hide	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hide	to-infinitive						from the animals	vn concealment-16-1 «NP V PP.beneficiary»: agent=Agent from animal=Beneficiary

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/22-photosynthesis/t6/