---
title: The dunes generally increase in size and mobility toward the north. — Mauritania · tree and pragmatics
description: The dunes generally increase in size and mobility toward the north. Who acts: dunes. A sentence of Wikipedia's «Mauritania» with its dependency tree and pragmatics.
---

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# Mauritania, sentence 182

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From Wikipedia, [«Mauritania»](https://en.wikipedia.org/wiki/Mauritania), revision of the 2026-09-01 dump, [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/). The trees and pragmatics of these pages, Mova's parse of that text, are CC BY-SA 4.0 too.

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The dunes generally increase in size and mobility toward the north.

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**Who acts:** dunes · **What happens:** increase · **To what, where:** size

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This is a sentence of the English Wikipedia article «Mauritania». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (dunes), what happens, when and where, as Mova's frames read it from the tree.

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**Mova's own parse.** This tree may be wrong. The article's note marks are left out of the parse.

## The tree {#tree}

```conllu
# sent_id = wikipedia:Mauritania:182
# text = The dunes generally increase in size and mobility toward the north.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	dunes	dune	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	generally	generally	ADV	RB	_	4	advmod	_	_
4	increase	increase	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	size	size	NOUN	NN	Number=Sing	4	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	mobility	mobility	NOUN	NN	Number=Sing	6	conj	_	_
9	toward	toward	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	north	north	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present | the dunes |  |  | size and mobility |  | toward the north; generally *property* | vn caused\_calibratable\_cos-45.6.2-1 «NP V ADV-Middle»: agent=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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**Text:** the English Wikipedia, «Mauritania», revision of the 2026-09-01 dump, CC BY-SA 4.0. **Tree:** Mova's own parse, CC BY-SA 4.0 as the text is. **Frames:** Mova's frames reader (`prag`), the article read in order, CC BY-SA 4.0.

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