---
title: This soft base is collapsing due to the over-extraction of groundwat… — Mexico City · tree and pragmatics
description: This soft base is collapsing due to the over-extraction of groundwater, called groundwater-related subsidence. Who acts: soft base, groundwater. A sentence of Wikipedia's «Mexico City» with its dependency tree and pragmatics.
---

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# Mexico City, sentence 162

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From Wikipedia, [«Mexico City»](https://en.wikipedia.org/wiki/Mexico_City), 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 soft base is collapsing due to the over-extraction of groundwater, called groundwater-related subsidence.

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**Who acts:** soft base, groundwater · **What happens:** collapse, call · **To what, where:** related subsidence · **Speech:** someone speaks here

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This is a sentence of the English Wikipedia article «Mexico City». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (soft base, groundwater), 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:Mexico_City:162
# text = This soft base is collapsing due to the over-extraction of groundwater, called groundwater-related subsidence.
1	This	this	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	soft	soft	ADJ	JJ	Degree=Pos	3	amod	_	_
3	base	base	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
5	collapsing	collapse	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
6	due	due	ADJ	JJ	Degree=Pos|ExtPos=ADP	9	case	_	_
7	to	to	ADP	IN	_	6	fixed	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	over-extraction	over-extraction	NOUN	NN	Number=Sing	5	obl	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	groundwater	groundwater	NOUN	NN	Number=Sing	9	nmod	_	SpaceAfter=No
12	,	,	PUNCT	,	_	13	punct	_	_
13	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	acl	_	_
14	groundwater	groundwater	NOUN	NN	Number=Sing	16	compound	_	SpaceAfter=No
15	-	-	PUNCT	HYPH	_	14	punct	_	SpaceAfter=No
16	related	related	ADJ	JJ	Degree=Pos	17	amod	_	_
17	subsidence	subsidence	NOUN	NN	Number=Sing	13	xcomp	_	SpaceAfter=No
18	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **collapse** | present · progressive | this soft base |  |  |  |  | due the over-extraction of groundwater | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **call** | participle | groundwater *not said here* | related subsidence |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V»: agent=Agent |

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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, «Mexico City», 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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