---
title: These generators are often expensive and produce a lot of pollution. — Haiti · tree and pragmatics
description: These generators are often expensive and produce a lot of pollution. Who acts: generators. A sentence of Wikipedia's «Haiti» with its dependency tree and pragmatics.
---

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# Haiti, sentence 455

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From Wikipedia, [«Haiti»](https://en.wikipedia.org/wiki/Haiti), 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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These generators are often expensive and produce a lot of pollution.

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**Who acts:** generators · **What happens:** be, produce · **To what, where:** lot

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This is a sentence of the English Wikipedia article «Haiti». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (generators), 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:Haiti:455
# text = These generators are often expensive and produce a lot of pollution.
1	These	this	DET	DT	Number=Plur|PronType=Dem	2	det	_	_
2	generators	generator	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	often	often	ADV	RB	_	5	advmod	_	_
5	expensive	expensive	ADJ	JJ	Degree=Pos	0	root	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	produce	produce	VERB	VB	VerbForm=Inf	5	conj	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	lot	lot	NOUN	NN	Number=Sing	7	obj	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	pollution	pollution	NOUN	NN	Number=Sing	9	nmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | this generators |  |  |  |  | expensive, often *property* | tree rules |
| 2 | **produce** | infinitive | this generators *not said here* | a lot of pollution |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent lot=Result |

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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, «Haiti», 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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