---
title: The brain compares the two ears to work out where a sound comes from. — Thinking about noticing · tree and pragmatics
description: The brain compares the two ears to work out where a sound comes from. Who acts: brain, sound. A sentence of the lesson «Thinking about noticing» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Thinking about noticing, sentence 15

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The brain compares the two ears to work out where a sound comes from.

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**Who acts:** brain, sound · **What happens:** compare, work out, come · **To what, where:** two ears

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This is a sentence of the lesson «Thinking about noticing» of the everyday course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (brain, sound), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:020-noticing-like-a-cat.lesson:15
# text = The brain compares the two ears to work out where a sound comes from.
# source = school lesson (ours)
# course = everyday
# lesson = 020-noticing-like-a-cat.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	brain	brain	NOUN	NN	Number=Sing	3	nsubj	_	_
3	compares	compare	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	two	two	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	ears	ear	NOUN	NNS	Number=Plur	3	obj	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	work	work	VERB	VB	VerbForm=Inf	3	advcl	_	Agree=R5-strong|Haiku=6:acl
9	out	out	ADP	RP	_	8	compound:prt	_	_
10	where	where	ADV	WRB	PronType=Rel	13	advmod	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	sound	sound	NOUN	NN	Number=Sing	13	nsubj	_	_
13	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	_
14	from	from	ADP	IN	_	13	obl	_	_
15	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **compare** | present | the brain | the two ears |  |  |  |  | vn amalgamate-22.2-2 «NP V NP»: agent=Agent ear=Patient |
| 2 | **work out** | to-infinitive | the brain *not said here* |  |  |  |  |  | vn discover-84 «NP V how S»: agent=Agent |
| 3 | **come** | present | a sound |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |

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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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:everyday:020-noticing-like-a-cat.lesson:15`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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