Test 3 · ★★ · Myth check: are bats blind?

In a scary film a vampire bat flies into a bedroom and bites a sleeping person. What is true?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: vampire bat · What happens: fly, bite, sleep, be · To what, where: scary film, sleeping person

This is test 3 · ★★ of lesson 153 «Myth check: are bats blind?» 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

Sentence 1: In a scary film a vampire bat flies into a bedroom and bites a sleeping person.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	In	in	ADP	_	4 film	case
2	a	a	DET	Definite=Ind PronType=Art	4 film	det
3	scary	scary	ADJ	Degree=Pos	4 film	amod
4	film	film	NOUN	Number=Sing	8 flies	obl
5	a	a	DET	Definite=Ind PronType=Art	7 bat	det
6	vampire	vampire	NOUN	Number=Sing	7 bat	compound
7	bat	bat	NOUN	Number=Sing	8 flies	nsubj
8	flies	fly	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	into	into	ADP	_	11 bedroom	case
10	a	a	DET	Definite=Ind PronType=Art	11 bedroom	det
11	bedroom	bedroom	NOUN	Number=Sing	8 flies	obl
12	and	and	CCONJ	_	13 bites	cc
13	bites	bite	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 flies	conj
14	a	a	DET	Definite=Ind PronType=Art	16 person	det
15	sleeping	sleep	VERB	Tense=Pres VerbForm=Part	16 person	amod
16	person	person	NOUN	Number=Sing	13 bites	obj
17	.	.	PUNCT	_	8 flies	punct

#	verb	tense, mood	who	what, whom	where	other	roles by
1	fly	present	a vampire bat		a scary film	into a bedroom	vn spatial_configuration-47.6-1 «NP V PP.location»: agent=Theme in film=Location
2	bite	present	a vampire bat not said here	a sleeping person			vn swat-18.2 «NP V NP»: agent=Agent person=Patient
3	sleep	gerund					vn snooze-40.4-1 «NP V»: agent=Agent

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 is true?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 true	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 true	cop
3	true	true	ADJ	Degree=Pos	root	root
4	?	?	PUNCT	_	3 true	punct

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

The options

Option 1 · ← Mova's choice · ✓ the right answer

Real vampire bats are small, live in the Americas and mostly feed on farm animals and birds

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Real	real	ADJ	Degree=Pos	3 bats	amod
2	vampire	vampire	NOUN	Number=Sing	3 bats	compound
3	bats	bat	NOUN	Number=Plur	5 small	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 small	cop
5	small	small	ADJ	Degree=Pos	root	root
6	,	,	PUNCT	_	7 live	punct
7	live	live	ADJ	Degree=Pos	5 small	conj
8	in	in	ADP	_	10 Americas	case
9	the	the	DET	Definite=Def PronType=Art	10 Americas	det
10	Americas	AMERICAS	PROPN	Number=Plur	7 live	obl
11	and	and	CCONJ	_	13 feed	cc
12	mostly	mostly	ADV	_	13 feed	advmod
13	feed	feed	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 small	conj
14	on	on	ADP	_	16 animals	case
15	farm	farm	NOUN	Number=Sing	16 animals	compound
16	animals	animal	NOUN	Number=Plur	13 feed	obl
17	and	and	CCONJ	_	18 birds	cc
18	birds	bird	NOUN	Number=Plur	16 animals	conj

#	verb	tense, mood	who	where	other	roles by
1	is	present	Real vampire bats		small property	tree rules
2	lives in		Real vampire bats not said here	the Americas		tree rules
3	feed	present	Real vampire bats not said here		on farm animals and birds; mostly property	vn gorge-39.6 «NP V PP.patient»: agent=Agent on animal=Patient

Option 2

Real vampire bats are as big as eagles and fly to Europe every winter to feed

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Real	real	ADJ	Degree=Pos	3 bats	amod
2	vampire	vampire	NOUN	Number=Sing	3 bats	compound
3	bats	bat	NOUN	Number=Plur	6 big	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 big	cop
5	as	as	ADV	_	6 big	advmod
6	big	big	ADJ	Degree=Pos	root	root
7	as	as	ADP	_	8 eagles	case
8	eagles	eagle	NOUN	Number=Plur	6 big	obl
9	and	and	CCONJ	_	10 fly	cc
10	fly	fly	VERB	VerbForm=Inf	6 big	conj
11	to	to	ADP	_	12 Europe	case
12	Europe	Europe	PROPN	Number=Sing	10 fly	obl
13	every	every	DET	PronType=Tot	14 winter	det
14	winter	winter	NOUN	Number=Sing	10 fly	obl:unmarked
15	to	to	PART	_	16 feed	mark
16	feed	feed	VERB	VerbForm=Inf	10 fly	advcl

#	verb	tense, mood	who	to whom	when	other	roles by
1	is	present	Real vampire bats			as eagles; big property	tree rules
2	fly	infinitive	Real vampire bats not said here	Europe	winter		vn run-51.3.2-2-1 «NP V PP.result»: agent=Theme to europe=Result
3	feed	to-infinitive	Real vampire bats not said here				vn gorge-39.6 «NP V PP.patient»: agent=Agent

Option 3

All bats drink human blood

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	All	all	DET	PronType=Tot	2 bats	det
2	bats	bat	NOUN	Number=Plur	3 drink	nsubj
3	drink	drink	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	human	human	ADJ	Degree=Pos	5 blood	amod
5	blood	blood	NOUN	Number=Sing	3 drink	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	drink	present	all bats	human blood					vn eat-39.1-1 «NP V NP»: agent=Agent blood=Patient

Option 4

That happens every night in Europe

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	That	that	PRON	Number=Sing PronType=Dem	2 happens	nsubj
2	happens	happen	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	every	every	DET	PronType=Tot	4 night	det
4	night	night	NOUN	Number=Sing	2 happens	obl:unmarked
5	in	in	ADP	_	6 Europe	case
6	Europe	Europe	PROPN	Number=Sing	2 happens	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	present	That			Europe	night		vn occur-48.3-1 «NP V PP»: agent=Theme in europe=Location

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/153-are-bats-blind/t3/