---
title: «blind as a bat, my nan says, about my grandad lol» What is wrong wi… — Echolocation: how bats see with sound · tree and pragmatics
description: «blind as a bat, my nan says, about my grandad lol» What is wrong with the saying? Test 1 · ★★ of lesson 229 «Echolocation: how bats see with sound» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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

<!-- .ven lang=en -->
«blind as a bat, my nan says, about my grandad lol» What is wrong with the saying?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** nan, grandad · **What happens:** say, be · **Speech:** someone speaks here

<!-- .vabout -->
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](https://md.mova.elamur.ai/free/en/school-run/biology/229-echolocation-how-bats-see-with-sound/#t1).

## The question {#question}

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t1:1
# text = «blind as a bat, my nan says, about my grandad lol» What is wrong with the saying?
1	«	«	PUNCT	``	_	2	punct	_	SpaceAfter=No
2	blind	blind	ADJ	JJ	Degree=Pos	9	ccomp	_	_
3	as	as	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	bat	bat	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
6	,	,	PUNCT	,	_	2	punct	_	_
7	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	nan	nan	NOUN	NN	Number=Sing	9	nsubj	_	_
9	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
10	,	,	PUNCT	,	_	13	punct	_	_
11	about	about	ADP	IN	_	13	case	_	_
12	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	grandad	grandad	NOUN	NN	Number=Sing	9	ccomp	_	_
14	lol	lol	INTJ	UH	_	13	discourse	_	SpaceAfter=No
15	»	»	PUNCT	''	_	13	punct	_	_
16	What	what	PRON	WP	PronType=Int	18	nsubj	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	cop	_	_
18	wrong	wrong	ADJ	JJ	Degree=Pos	13	parataxis	_	_
19	with	with	ADP	IN	_	21	case	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	saying	saying	NOUN	NN	Number=Sing	18	obl	_	SpaceAfter=No
22	?	?	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | 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 |

<!-- .note -->
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 {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Bats are blind, but grandads are not

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t1:o1:1
# text = Bats are blind, but grandads are not
1	Bats	bat	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	_	_
5	but	but	CCONJ	CC	_	6	cc	_	_
6	grandads	grandad	NOUN	NNS	Number=Plur	3	conj	_	_
7	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	not	not	PART	RB	Polarity=Neg	7	advmod	_	_
```

<!-- .fr -->
| # | 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 {#o2}

<!-- .ven lang=en -->
No bat is blind; bats see, and many also use echoes

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t1:o2:1
# text = No bat is blind; bats see, and many also use echoes
1	No	no	DET	DT	PronType=Neg	2	det	_	_
2	bat	bat	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	;	;	PUNCT	:	_	7	punct	_	_
6	bats	bat	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	see	see	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	SpaceAfter=No
8	,	,	PUNCT	,	_	12	punct	_	_
9	and	and	CCONJ	CC	_	12	cc	_	_
10	many	many	ADJ	JJ	Degree=Pos	12	nsubj	_	_
11	also	also	ADV	RB	_	12	advmod	_	_
12	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
13	echoes	echo	NOUN	NNS	Number=Plur	12	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | 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 {#o3}

<!-- .ven lang=en -->
Nothing, it is right, because bats have no eyes at all

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t1:o3:1
# text = Nothing, it is right, because bats have no eyes at all
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	5	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	because	because	SCONJ	IN	_	9	mark	_	_
8	bats	bat	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
10	no	no	DET	DT	PronType=Neg	11	det	_	_
11	eyes	eye	NOUN	NNS	Number=Plur	9	obj	_	_
12	at	at	ADP	IN	_	13	case	_	_
13	all	all	DET	DT	PronType=Tot	5	obl	_	_
```

<!-- .fr -->
| # | 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 {#o4}

<!-- .ven lang=en -->
Bats are blind only in winter

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t1:o4:1
# text = Bats are blind only in winter
1	Bats	bat	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	winter	winter	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Bats |  |  |  | winter | blind *property* | tree rules |

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**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.

<!-- /div -->

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- next →: [Echolocation: how bats see with sound, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/t2/)
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