---
title: The flying bats from Bracken Cave show up on weather radar. What doe… — Echolocation: how bats see with sound · tree and pragmatics
description: The flying bats from Bracken Cave show up on weather radar. What does the radar seem to see? Test 8 · ★★ 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
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/t8/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [Echolocation: how bats see with sound](https://md.mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/) / t8

# Test 8 · ★★ · Echolocation: how bats see with sound

<!-- .ven lang=en -->
The flying bats from Bracken Cave show up on weather radar. What does the radar seem to see?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** flying bats, radar · **What happens:** fly, show up, seem, see · **To what, where:** weather radar

<!-- .vabout -->
This is test 8 · ★★ 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/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* The flying bats from Bracken Cave show up on weather radar.

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:1
# text = The flying bats from Bracken Cave show up on weather radar.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	flying	fly	VERB	VBG	VerbForm=Ger	3	amod	_	_
3	bats	bat	NOUN	NNS	Number=Plur	7	nsubj	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	Bracken	Bracken	PROPN	NNP	Number=Sing	6	compound	_	_
6	Cave	Cave	PROPN	NNP	Number=Sing	3	nmod	_	_
7	show	show	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	up	up	ADP	RP	_	7	compound:prt	_	_
9	on	on	ADP	IN	_	11	case	_	_
10	weather	weather	NOUN	NN	Number=Sing	11	compound	_	_
11	radar	radar	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fly** | gerund |  |  |  |  |  |  | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 2 | **show up** | present | the flying bats from Bracken Cave |  |  | weather radar |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme on radar=Location |

<!-- .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.

<!-- .note -->
*Sentence 2:* What does the radar seem to see?

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:2
# text = What does the radar seem to see?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	radar	radar	NOUN	NN	Number=Sing	5	nsubj	_	_
5	seem	seem	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	acl:relcl	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	see	see	VERB	VB	VerbForm=Inf	5	xcomp	_	SpaceAfter=No
8	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **seem** | present · do-support | the radar |  |  |  |  |  | vn seem-109-1-1-1 «NP V S\_INF»: agent=Theme clause=Attribute |
| 2 | **see** | to-infinitive | the radar *not said here* |  |  |  |  |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
A big aeroplane flying very low

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:o1:1
# text = A big aeroplane flying very low
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	big	big	ADJ	JJ	Degree=Pos	3	amod	_	_
3	aeroplane	aeroplane	NOUN	NN	Number=Sing	0	root	_	_
4	flying	fly	VERB	VBG	VerbForm=Ger	3	acl	_	_
5	very	very	ADV	RB	_	6	advmod	_	_
6	low	low	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fly** | gerund | a big aeroplane *not said here* |  |  |  |  | low *property* | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Snow falling softly from the sky

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:o2:1
# text = Snow falling softly from the sky
1	Snow	snow	NOUN	NN	Number=Sing	0	root	_	_
2	falling	fall	VERB	VBG	VerbForm=Ger	1	acl	_	_
3	softly	softly	ADV	RB	_	2	advmod	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	sky	sky	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fall** | gerund | Snow *not said here* |  |  | the sky |  | softly *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from sky=Initial\_Location |

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

<!-- .ven lang=en -->
Something like a rain cloud

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:o3:1
# text = Something like a rain cloud
1	Something	something	PRON	NN	Number=Sing|PronType=Ind	0	root	_	_
2	like	like	ADP	IN	_	5	case	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	rain	rain	NOUN	NN	Number=Sing	5	compound	_	_
5	cloud	cloud	NOUN	NN	Number=Sing	1	nmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Nothing at all on the screen

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t8:o4:1
# text = Nothing at all on the screen
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	0	root	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	all	all	DET	DT	PronType=Tot	1	nmod	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	screen	screen	NOUN	NN	Number=Sing	3	nmod	_	_
```

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

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [Echolocation: how bats see with sound, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/t7/)
- next →: [Echolocation: how bats see with sound, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/t9/)
- ↑ back to [Echolocation: how bats see with sound](https://md.mova.elamur.ai/free/en/corpora/questions/biology/229-echolocation-how-bats-see-with-sound/)