Test 9 · ★ · Caves: bat clouds, blind fish, the olm, glowworms and a se…

What would happen to the beetles on a cave floor if all the bats left?

Mova's choice: option 4 · The right answer: option 3 · wrong ✗ · Who acts: bats · What happens: happen, leave · To what, where: cave floor

This is test 9 · ★ of lesson 179 «Caves: bat clouds, blind fish, the olm, glowworms and a sealed cave» 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	to	to	ADP	_	6 beetles	case
5	the	the	DET	Definite=Def PronType=Art	6 beetles	det
6	beetles	beetle	NOUN	Number=Plur	3 happen	obl
7	on	on	ADP	_	10 floor	case
8	a	a	DET	Definite=Ind PronType=Art	10 floor	det
9	cave	cave	NOUN	Number=Sing	10 floor	compound
10	floor	floor	NOUN	Number=Sing	3 happen	obl
11	if	if	SCONJ	_	15 left	mark
12	all	all	DET	PronType=Tot	14 bats	det:predet
13	the	the	DET	Definite=Def PronType=Art	14 bats	det
14	bats	bat	NOUN	Number=Plur	15 left	nsubj
15	left	leave	VERB	Tense=Past VerbForm=Part	3 happen	advcl
16	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	would				a cave floor		to the beetles	vn occur-48.3-1 «NP V PP»: agent=Theme on floor=Location
2	leave a condition, not said to happen	participle	all bats						vn escape-51.1-1-1 «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.

The options

Option 1

They would get more food

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 get	nsubj
2	would	would	AUX	VerbForm=Fin	3 get	aux
3	get	get	VERB	VerbForm=Inf	root	root
4	more	more	ADJ	Degree=Cmp	5 food	amod
5	food	food	NOUN	Number=Sing	3 get	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	would	They	more food					vn comprehend-87.2-1 «NP V NP»: agent=Experiencer food=Stimulus

Option 2

They would turn into bats

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 turn	nsubj
2	would	would	AUX	VerbForm=Fin	3 turn	aux
3	turn	turn	VERB	VerbForm=Inf	root	root
4	into	into	ADP	_	5 bats	case
5	bats	bat	NOUN	Number=Plur	3 turn	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	would	They			bats			vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into bat=Trajectory

Option 3 · ✓ the right answer

They would lose much of their food, the guano

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 lose	nsubj
2	would	would	AUX	VerbForm=Fin	3 lose	aux
3	lose	lose	VERB	VerbForm=Inf	root	root
4	much	much	ADJ	Degree=Pos	3 lose	obj
5	of	of	ADP	_	7 food	case
6	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	7 food	nmod:poss
7	food	food	NOUN	Number=Sing	4 much	nmod
8	,	,	PUNCT	_	10 guano	punct
9	the	the	DET	Definite=Def PronType=Art	10 guano	det
10	guano	guano	NOUN	Number=Sing	3 lose	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	lose	would	They	much of their food				the guano obl	vn succeed-74-3-1 «NP V NP»: agent=Agent much=Eventuality

Option 4 · ← Mova's choice

Nothing, because they eat sunlight and need no food from bats

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	_	5 eat	punct
3	because	because	SCONJ	_	5 eat	mark
4	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	5 eat	nsubj
5	eat	eat	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	1 Nothing	parataxis
6	sunlight	sunlight	NOUN	Number=Sing	5 eat	obj
7	and	and	CCONJ	_	8 need	cc
8	need	need	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 eat	conj
9	no	no	DET	PronType=Neg	10 food	det
10	food	food	NOUN	Number=Sing	8 need	obj
11	from	from	ADP	_	12 bats	case
12	bats	bat	NOUN	Number=Plur	8 need	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	present	they	sunlight					vn eat-39.1-1 «NP V NP»: agent=Agent sunlight=Patient
2	need	present	they not said here	no food		bats			vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot food=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/179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave/t9/