---
title: Real life: how do bats find their way in the dark? — Just So Stories, The Cat that Walked b… · tree and pragmatics
description: Real life: how do bats find their way in the dark? Test 7 · ★ of lesson 94 «Just So Stories, The Cat that Walked by Himself, part 2: the bargain, the Bat and the Baby» of the books course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's cho
---

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# Test 7 · ★ · Just So Stories, The Cat that Walked by Himself, part 2: t…

<!-- .ven lang=en -->
Real life: how do bats find their way in the dark?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** bats · **What happens:** find · **To what, where:** way, dark

<!-- .vabout -->
This is test 7 · ★ of lesson 94 «Just So Stories, The Cat that Walked by Himself, part 2: the bargain, the Bat and the Baby» of the books 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/books/94-justso-cat-2-a-bargain-and-a-baby/#t7).

## The question {#question}

```conllu
# sent_id = question:books:94-justso-cat-2-a-bargain-and-a-baby:t7:1
# text = Real life: how do bats find their way in the dark?
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	life	life	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	:	:	PUNCT	:	_	7	punct	_	_
4	how	how	ADV	WRB	PronType=Int	7	advmod	_	_
5	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
6	bats	bat	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	find	find	VERB	VB	VerbForm=Inf	2	parataxis	_	_
8	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	way	way	NOUN	NN	Number=Sing	7	obj	_	_
10	in	in	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	dark	dark	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
13	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present · do-support | bats | bats's way |  | the dark |  |  | vn discover-84 «NP V NP»: agent=Agent way=Topic |

<!-- .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 -->
By the stars overhead

```conllu
# sent_id = question:books:94-justso-cat-2-a-bargain-and-a-baby:t7:o1:1
# text = By the stars overhead
1	By	by	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	stars	star	NOUN	NNS	Number=Plur	0	root	_	_
4	overhead	overhead	ADV	RB	_	3	advmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
With wings that glow green

```conllu
# sent_id = question:books:94-justso-cat-2-a-bargain-and-a-baby:t7:o2:1
# text = With wings that glow green
1	With	with	ADP	IN	_	2	case	_	_
2	wings	wing	NOUN	NNS	Number=Plur	0	root	_	_
3	that	that	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	glow	glow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	green	green	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **glow** | present | wings |  |  |  |  | green *property* | vn light\_emission-43.1 «NP V»: agent=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
By echoes of their squeaks

```conllu
# sent_id = question:books:94-justso-cat-2-a-bargain-and-a-baby:t7:o3:1
# text = By echoes of their squeaks
1	By	by	ADP	IN	_	2	case	_	_
2	echoes	echo	NOUN	NNS	Number=Plur	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	squeaks	squeak	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **squeak** |  | echoes *= echo* |  |  |  |  |  | nom squeak «event intransitive»: poss=agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
By listening to echoes of their own high squeaks bouncing off things

```conllu
# sent_id = question:books:94-justso-cat-2-a-bargain-and-a-baby:t7:o4:1
# text = By listening to echoes of their own high squeaks bouncing off things
1	By	by	SCONJ	IN	_	2	mark	_	_
2	listening	listen	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	echoes	echo	NOUN	NNS	Number=Plur	2	obl	_	_
5	of	of	ADP	IN	_	9	case	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
7	own	own	ADJ	JJ	Degree=Pos	9	amod	_	_
8	high	high	ADJ	JJ	Degree=Pos	9	amod	_	_
9	squeaks	squeak	NOUN	NNS	Number=Plur	4	nmod	_	_
10	bouncing	bounce	VERB	VBG	Tense=Pres|VerbForm=Part	9	acl	_	_
11	off	off	ADP	RP	_	10	compound:prt	_	_
12	things	thing	NOUN	NNS	Number=Plur	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **listen** | gerund |  |  |  |  |  | to echoes of echoes's own high squeaks | vn peer-30.3 «NP V PP.theme»: agent=Agent to echo=Theme |
| 2 | **bounce off** | gerund | echoes's own high squeaks *not said here* | things |  |  |  |  | vn run-51.3.2-2 «NP V NP»: agent=Agent thing=Agent |
| 3 | **squeak** |  | echoes *= echo* |  |  |  |  |  | nom squeak «event intransitive»: poss=agent |

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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.

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- ← previous: [Just So Stories, The Cat that Walked b…, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/books/94-justso-cat-2-a-bargain-and-a-baby/t6/)
- next →: [Just So Stories, The Cat that Walked b…, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/books/94-justso-cat-2-a-bargain-and-a-baby/t8/)
- ↑ back to [Just So Stories, The Cat that Walked by Himself, part 2: the bargain, the Bat and the Baby](https://md.mova.elamur.ai/free/en/corpora/questions/books/94-justso-cat-2-a-bargain-and-a-baby/)