---
title: «there's a bat in our loft, dad wants to smoke it out» What is the b… — Echolocation: how bats see with sound · tree and pragmatics
description: «there's a bat in our loft, dad wants to smoke it out» What is the best advice? Test 9 · ★★ 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 right.
---

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# Test 9 · ★★ · Echolocation: how bats see with sound

<!-- .ven lang=en -->
«there's a bat in our loft, dad wants to smoke it out» What is the best advice?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** bat, dad · **What happens:** be, want, smoke out · **To what, where:** bat, best advice

<!-- .vabout -->
This is test 9 · ★★ 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/#t9).

## The question {#question}

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t9:1
# text = «there's a bat in our loft, dad wants to smoke it out» What is the best advice?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	there	there	PRON	EX	PronType=Dem	3	expl	_	SpaceAfter=No
3	's	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	bat	bat	NOUN	NN	Number=Sing	3	nsubj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	loft	loft	NOUN	NN	Number=Sing	5	nmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	11	punct	_	_
10	dad	dad	NOUN	NN	Number=Sing	11	nsubj	_	_
11	wants	want	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
12	to	to	PART	TO	_	13	mark	_	_
13	smoke	smoke	VERB	VB	VerbForm=Inf	21	advcl	_	_
14	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	obj	_	_
15	out	out	ADP	RP	_	13	compound:prt	_	SpaceAfter=No
16	»	»	PUNCT	''	_	13	punct	_	_
17	What	what	PRON	WP	PronType=Int	21	nsubj	_	_
18	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	cop	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
20	best	good	ADJ	JJS	Degree=Sup	21	amod	_	_
21	advice	advice	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
22	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **be** *in a quote* | present | a bat in our loft |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **want** *in a quote* | present | dad |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot |
| 3 | **smoke out** *in a quote* | to-infinitive |  | bat |  |  |  |  | vn eat-39.1-1-1 «NP V NP.source»: agent=Agent it=Source |
| 4 | **is a** | present |  | the best advice |  |  |  |  | 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 {#o1}

<!-- .ven lang=en -->
Catch it with your bare hands

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t9:o1:1
# text = Catch it with your bare hands
1	Catch	catch	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	with	with	ADP	IN	_	6	case	_	_
4	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
5	bare	bare	ADJ	JJ	Degree=Pos	6	amod	_	_
6	hands	hand	NOUN	NNS	Number=Plur	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **catch** | imperative | you *not said here* | it |  |  |  | with your bare hands | vn get-13.5.1 «NP V NP»: agent=Agent it=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Smoke it out quickly

```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t9:o2:1
# text = Smoke it out quickly
1	Smoke	smoke	NOUN	NN	Number=Sing	0	root	_	_
2	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	nsubj	_	_
3	out	out	ADP	RP	_	1	compound	_	_
4	quickly	quickly	ADV	RB	_	1	advmod	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
Block the hole while it sleeps inside so that no more bats can come in

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t9:o3:1
# text = Block the hole while it sleeps inside so that no more bats can come in
1	Block	block	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	hole	hole	NOUN	NN	Number=Sing	1	obj	_	_
4	while	while	SCONJ	IN	_	6	mark	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
6	sleeps	sleep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	advcl	_	_
7	inside	inside	ADV	RB	_	6	advmod	_	_
8	so	so	SCONJ	IN	ExtPos=SCONJ	14	mark	_	_
9	that	that	SCONJ	IN	_	8	fixed	_	_
10	no	no	DET	DT	PronType=Neg	12	det	_	_
11	more	more	ADJ	JJR	Degree=Cmp	12	amod	_	_
12	bats	bat	NOUN	NNS	Number=Plur	14	nsubj	_	_
13	can	can	AUX	MD	VerbForm=Fin	14	aux	_	_
14	come	come	VERB	VB	VerbForm=Inf	6	advcl	_	_
15	in	in	ADV	RB	_	14	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **block** | imperative | you *not said here* | the hole |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer hole=Theme |
| 2 | **sleep** | present | hole |  |  |  |  | inside *property* | vn snooze-40.4-1 «NP V»: agent=Agent |
| 3 | **come in** | can | no more bats |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Leave it and ask a bat group, as bats and roosts are protected in Britain

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:229-echolocation-how-bats-see-with-sound:t9:o4:1
# text = Leave it and ask a bat group, as bats and roosts are protected in Britain
1	Leave	leave	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	ask	ask	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	bat	bat	NOUN	NN	Number=Sing	7	compound	_	_
7	group	group	NOUN	NN	Number=Sing	4	obj	_	SpaceAfter=No
8	,	,	PUNCT	,	_	14	punct	_	_
9	as	as	SCONJ	IN	_	14	mark	_	_
10	bats	bat	NOUN	NNS	Number=Plur	14	nsubj:pass	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	roosts	roost	NOUN	NNS	Number=Plur	10	conj	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	aux:pass	_	_
14	protected	protect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	ccomp	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	Britain	Britain	PROPN	NNP	Number=Sing	14	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | imperative | you *not said here* | it |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent it=Theme |
| 2 | **ask** *speech: ask* | infinitive | you *not said here* | a bat group |  |  |  |  | vn inquire-37.1.2 «NP V NP whether S»: agent=Agent group=Recipient clause=Topic |
| 3 | **protect** | present · passive |  | bats and roosts |  | Britain |  |  | vn defend-72.3 «NP V NP»: subject=Beneficiary |

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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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