---
title: This SVC, centred about the Qualibou depression, contains pyroclasti… — Saint Lucia · tree and pragmatics
description: This SVC, centred about the Qualibou depression, contains pyroclastic flow deposits, lava flows, domes, block and ash flow deposits, and explosion craters. Who acts: SVC, ash. A sentence of Wikipedia's «Saint Lucia» with its dependency tree and pragmatics.
---

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# Saint Lucia, sentence 98

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From Wikipedia, [«Saint Lucia»](https://en.wikipedia.org/wiki/Saint_Lucia), 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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This SVC, centred about the Qualibou depression, contains pyroclastic flow deposits, lava flows, domes, block and ash flow deposits, and explosion craters.

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**Who acts:** SVC, ash · **What happens:** centre, contain, block, flow · **To what, where:** SVC, pyroclastic flow deposits, deposits

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This is a sentence of the English Wikipedia article «Saint Lucia». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (SVC, ash), 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:Saint_Lucia:98
# text = This SVC, centred about the Qualibou depression, contains pyroclastic flow deposits, lava flows, domes, block and ash flow deposits, and explosion craters.
1	This	this	DET	DT	Number=Sing|PronType=Dem	2	det	_	_
2	SVC	SVC	PROPN	NNP	Number=Sing	10	nsubj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	4	punct	_	_
4	centred	centre	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
5	about	about	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	Qualibou	Qualibou	PROPN	NNP	Number=Sing	8	compound	_	_
8	depression	depression	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
9	,	,	PUNCT	,	_	2	punct	_	_
10	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
11	pyroclastic	pyroclastic	ADJ	JJ	Degree=Pos	13	amod	_	_
12	flow	flow	NOUN	NN	Number=Sing	13	compound	_	_
13	deposits	deposit	NOUN	NNS	Number=Plur	10	obj	_	SpaceAfter=No
14	,	,	PUNCT	,	_	16	punct	_	_
15	lava	lava	NOUN	NN	Number=Sing	16	compound	_	_
16	flows	flow	NOUN	NNS	Number=Plur	13	conj	_	SpaceAfter=No
17	,	,	PUNCT	,	_	18	punct	_	_
18	domes	dome	NOUN	NNS	Number=Plur	13	conj	_	SpaceAfter=No
19	,	,	PUNCT	,	_	20	punct	_	_
20	block	block	VERB	VB	Mood=Imp|VerbForm=Fin	10	parataxis	_	_
21	and	and	CCONJ	CC	_	23	cc	_	_
22	ash	ash	NOUN	NN	Number=Sing	23	nsubj	_	_
23	flow	flow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	20	conj	_	_
24	deposits	deposit	NOUN	NNS	Number=Plur	23	obj	_	SpaceAfter=No
25	,	,	PUNCT	,	_	28	punct	_	_
26	and	and	CCONJ	CC	_	28	cc	_	_
27	explosion	explosion	NOUN	NN	Number=Sing	28	compound	_	_
28	craters	crater	NOUN	NNS	Number=Plur	23	obl	_	SpaceAfter=No
29	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **centre** | participle |  | this SVC *not said here* |  |  |  | about the Qualibou depression | tree rules |
| 2 | **contain** | present | this SVC | pyroclastic flow deposits and lava flows and domes |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot deposit=Theme |
| 3 | **block** | infinitive |  |  |  |  |  |  | vn forbid-64.4-1 «NP V S\_ING»: agent=Causer |
| 4 | **flow** | present | ash | deposits |  |  |  | explosion craters *obl* | vn appear-48.1.1 «PP.location V NP»: agent=Location deposit=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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**Text:** the English Wikipedia, «Saint Lucia», 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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