Test 1 · ★★ · Echolocation: how bats see with sound

«blind as a bat, my nan says, about my grandad lol» What is wrong with the saying?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: nan, grandad · What happens: say, be · Speech: someone speaks here

This is test 1 · ★★ of lesson 229 «Echolocation: how bats see with sound» 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	_	2 blind	punct
2	blind	blind	ADJ	Degree=Pos	9 says	ccomp
3	as	as	ADP	_	5 bat	case
4	a	a	DET	Definite=Ind PronType=Art	5 bat	det
5	bat	bat	NOUN	Number=Sing	2 blind	obl
6	,	,	PUNCT	_	2 blind	punct
7	my	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	8 nan	nmod:poss
8	nan	nan	NOUN	Number=Sing	9 says	nsubj
9	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
10	,	,	PUNCT	_	13 grandad	punct
11	about	about	ADP	_	13 grandad	case
12	my	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	13 grandad	nmod:poss
13	grandad	grandad	NOUN	Number=Sing	9 says	ccomp
14	lol	lol	INTJ	_	13 grandad	discourse
15	»	»	PUNCT	_	13 grandad	punct
16	What	what	PRON	PronType=Int	18 wrong	nsubj
17	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	18 wrong	cop
18	wrong	wrong	ADJ	Degree=Pos	13 grandad	parataxis
19	with	with	ADP	_	21 saying	case
20	the	the	DET	Definite=Def PronType=Art	21 saying	det
21	saying	saying	NOUN	Number=Sing	18 wrong	obl
22	?	?	PUNCT	_	9 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert in a quote	present	my nan						vn say-37.7-1-1 «NP V that S»: agent=Agent
2	is	present	my grandad					with the saying; wrong 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 · ← Mova's choice

Bats are blind, but grandads are not

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bats	bat	NOUN	Number=Plur	3 blind	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 blind	cop
3	blind	blind	ADJ	Degree=Pos	root	root
4	,	,	PUNCT	_	3 blind	punct
5	but	but	CCONJ	_	6 grandads	cc
6	grandads	grandad	NOUN	Number=Plur	3 blind	conj
7	are	be	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 blind	conj
8	not	not	PART	Polarity=Neg	7 are	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Bats					blind property	tree rules
2	not be	present	Bats not said here						vn exist-47.1 «NP V»: agent=Theme

Option 2 · ✓ the right answer

No bat is blind; bats see, and many also use echoes

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	DET	PronType=Neg	2 bat	det
2	bat	bat	NOUN	Number=Sing	4 blind	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 blind	cop
4	blind	blind	ADJ	Degree=Pos	root	root
5	;	;	PUNCT	_	7 see	punct
6	bats	bat	NOUN	Number=Plur	7 see	nsubj
7	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 blind	parataxis
8	,	,	PUNCT	_	12 use	punct
9	and	and	CCONJ	_	12 use	cc
10	many	many	ADJ	Degree=Pos	12 use	nsubj
11	also	also	ADV	_	12 use	advmod
12	use	use	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 blind	conj
13	echoes	echo	NOUN	Number=Plur	12 use	obj

#	verb	tense, mood	who	what, whom	other	roles by
1	is	present	no bat		blind property	tree rules
2	see	present	bats			vn comprehend-87.2-1-1 «NP V»: agent=Experiencer
3	use	present	many	echoes		vn eat-39.1 «NP V NP»: agent=Agent echo=Patient

Option 3

Nothing, it is right, because bats have no eyes at all

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	5 right	nsubj
2	,	,	PUNCT	_	1 Nothing	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	5 right	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 right	cop
5	right	right	ADJ	Degree=Pos	root	root
6	,	,	PUNCT	_	9 have	punct
7	because	because	SCONJ	_	9 have	mark
8	bats	bat	NOUN	Number=Plur	9 have	nsubj
9	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 right	conj
10	no	no	DET	PronType=Neg	11 eyes	det
11	eyes	eye	NOUN	Number=Plur	9 have	obj
12	at	at	ADP	_	13 all	case
13	all	all	DET	PronType=Tot	5 right	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Nothing			all		right property	tree rules
2	have	present	bats	no eyes					vn birth-28.2-1 «NP V NP»: agent=Agent eye=Patient

Option 4

Bats are blind only in winter

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bats	bat	NOUN	Number=Plur	3 blind	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 blind	cop
3	blind	blind	ADJ	Degree=Pos	root	root
4	only	only	ADV	_	6 winter	advmod
5	in	in	ADP	_	6 winter	case
6	winter	winter	NOUN	Number=Sing	3 blind	obl

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

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/229-echolocation-how-bats-see-with-sound/t1/