---
title: Soft materials such as curtains and carpets absorb sound and reduce… — Sound — vibrations, loudness, pitch and echoes · tree and pragmatics
description: Soft materials such as curtains and carpets absorb sound and reduce echoes. Who acts: Soft materials. A sentence of the lesson «Sound — vibrations, loudness, pitch and echoes» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Sound — vibrations, loudness, pitch and echoes, sentence 17

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Soft materials such as curtains and carpets absorb sound and reduce echoes.

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**Who acts:** Soft materials · **What happens:** absorb, reduce · **To what, where:** sound, echoes

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This is a sentence of the lesson «Sound — vibrations, loudness, pitch and echoes» of the world 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 (Soft materials), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:054-sound.lesson:17
# text = Soft materials such as curtains and carpets absorb sound and reduce echoes.
# source = school lesson (ours)
# course = world
# lesson = 054-sound.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): R8-pos-agree ×1
1	Soft	soft	ADJ	JJ	Degree=Pos	2	amod	_	_
2	materials	material	NOUN	NNS	Number=Plur	8	nsubj	_	_
3	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	5	case	_	_
4	as	as	ADP	IN	_	3	fixed	_	_
5	curtains	curtain	NOUN	NNS	Number=Plur	2	nmod	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	carpets	carpet	NOUN	NNS	Number=Plur	5	conj	_	_
8	absorb	absorb	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	sound	sound	NOUN	NN	Number=Sing	8	obj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	reduce	reduce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	Agree=R8-pos-agree|Haiku=8:conj|HaikuPos=VERB:VB:VerbForm=Inf
12	echoes	echo	NOUN	NNS	Number=Plur	11	obj	_	_
13	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **absorb** | present | Soft materials such curtains and carpets | sound |  |  |  |  | vn absorb-39.8 «NP V NP»: agent=Goal sound=Theme |
| 2 | **reduce** | present | Soft materials such curtains and carpets *not said here* | echoes |  |  |  |  | vn limit-76 «NP V NP»: agent=Causer echo=Patient |

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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:world:054-sound.lesson:17`.

**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): R8-pos-agree ×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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