Test 1 · ★★ · Myth check: are bats blind?

«as blind as a bat, so it can't see me if i wave» What is right?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: bat, i · What happens: not see, wave, be · To what, where: me

This is test 1 · ★★ 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	«	«	PUNCT	_	3 blind	punct
2	as	as	ADV	_	3 blind	advmod
3	blind	blind	ADJ	Degree=Pos	root	root
4	as	as	ADP	_	6 bat	case
5	a	a	DET	Definite=Ind PronType=Art	6 bat	det
6	bat	bat	NOUN	Number=Sing	3 blind	obl
7	,	,	PUNCT	_	12 see	punct
8	so	so	ADV	_	12 see	advmod
9	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	12 see	nsubj
10	ca	can	AUX	VerbForm=Fin	12 see	aux
11	n't	not	PART	Polarity=Neg	12 see	advmod
12	see	see	VERB	VerbForm=Inf	3 blind	parataxis
13	me	I	PRON	Case=Acc Number=Sing Person=1 PronType=Prs	12 see	obj
14	if	if	SCONJ	_	16 wave	mark
15	i	I	PRON	Case=Nom Number=Sing Person=1 PronType=Prs	16 wave	nsubj
16	wave	wave	VERB	Mood=Ind Number=Sing Person=1 Tense=Pres VerbForm=Fin	12 see	advcl
17	»	»	PUNCT	_	16 wave	punct
18	What	what	PRON	PronType=Int	20 right	nsubj
19	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	20 right	cop
20	right	right	ADJ	Degree=Pos	16 wave	ccomp
21	?	?	PUNCT	_	3 blind	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	not see in a quote	can	bat	me		vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer i=Stimulus
2	wave a condition, not said to happen, in a quote	present	i			vn wink-40.3.1 «NP V»: agent=Agent
3	is	present			right property	tree rules

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

Bats can only see the colour red, so the rest of the world looks black to them

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bats	bat	NOUN	Number=Plur	4 see	nsubj
2	can	can	AUX	VerbForm=Fin	4 see	aux
3	only	only	ADV	_	4 see	advmod
4	see	see	VERB	VerbForm=Inf	root	root
5	the	the	DET	Definite=Def PronType=Art	7 red	det
6	colour	colour	NOUN	Number=Sing	7 red	compound
7	red	red	NOUN	Number=Sing	4 see	obj
8	,	,	PUNCT	_	15 looks	punct
9	so	so	ADV	_	15 looks	advmod
10	the	the	DET	Definite=Def PronType=Art	11 rest	det
11	rest	rest	NOUN	Number=Sing	15 looks	nsubj
12	of	of	ADP	_	14 world	case
13	the	the	DET	Definite=Def PronType=Art	14 world	det
14	world	world	NOUN	Number=Sing	11 rest	nmod
15	looks	look	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 see	parataxis
16	black	black	ADJ	Degree=Pos	15 looks	xcomp
17	to	to	ADP	_	18 them	case
18	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	15 looks	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	can	Bats	the colour red					vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer red=Stimulus
2	look	present	the rest of the world		Bats = bat			black property	vn stimulus_subject-30.4 «NP V ADJ PP.experiencer»: agent=Stimulus to they=Experiencer

Option 2

Right, but they can smell you

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Right	right	INTJ	_	6 smell	discourse
2	,	,	PUNCT	_	6 smell	punct
3	but	but	CCONJ	_	6 smell	cc
4	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	6 smell	nsubj
5	can	can	AUX	VerbForm=Fin	6 smell	aux
6	smell	smell	VERB	VerbForm=Inf	root	root
7	you	you	PRON	Case=Acc Person=2 PronType=Prs	6 smell	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	smell	can	they	you					vn see-30.1 «NP V NP»: agent=Experiencer you=Stimulus

Option 3

Right, bats see nothing at all

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Right	right	INTJ	_	4 see	discourse
2	,	,	PUNCT	_	4 see	punct
3	bats	bat	NOUN	Number=Plur	4 see	nsubj
4	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	nothing	nothing	PRON	Number=Sing PronType=Neg	4 see	obj
6	at	at	ADP	_	7 all	case
7	all	all	DET	PronType=Tot	4 see	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	present	bats	nothing		all			vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer nothing=Stimulus

Option 4 · ← Mova's choice · ✓ the right answer

Bats can see, and many also find things by echoes

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bats	bat	NOUN	Number=Plur	3 see	nsubj
2	can	can	AUX	VerbForm=Fin	3 see	aux
3	see	see	VERB	VerbForm=Inf	root	root
4	,	,	PUNCT	_	8 find	punct
5	and	and	CCONJ	_	8 find	cc
6	many	many	ADJ	Degree=Pos	8 find	nsubj
7	also	also	ADV	_	8 find	advmod
8	find	find	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 see	conj
9	things	thing	NOUN	Number=Plur	8 find	obj
10	by	by	ADP	_	11 echoes	case
11	echoes	echo	NOUN	Number=Plur	8 find	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	can	Bats						vn comprehend-87.2-1-1 «NP V»: agent=Experiencer
2	find	present	many	things				by echoes	vn discover-84 «NP V NP»: agent=Agent thing=Topic

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/t1/