---
title: Cairo has a very poor dispersion factor because of its lack of rain… — Cairo · tree and pragmatics
description: Cairo has a very poor dispersion factor because of its lack of rain and its layout of tall buildings and narrow streets, which create a bowl effect. Who acts: Cairo, tall buildings, feature. A sentence of Wikipedia's «Cairo» with its dependency tree and pragmatics.
---

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# Cairo, sentence 518

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From Wikipedia, [«Cairo»](https://en.wikipedia.org/wiki/Cairo), 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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Cairo has a very poor dispersion factor because of its lack of rain and its layout of tall buildings and narrow streets, which create a bowl effect.

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**Who acts:** Cairo, tall buildings, feature · **What happens:** have, create, lack · **To what, where:** poor dispersion factor, bowl effect, rain

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This is a sentence of the English Wikipedia article «Cairo». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Cairo, tall buildings, feature), 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:Cairo:518
# text = Cairo has a very poor dispersion factor because of its lack of rain and its layout of tall buildings and narrow streets, which create a bowl effect.
1	Cairo	Cairo	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
4	very	very	ADV	RB	_	5	advmod	_	_
5	poor	poor	ADJ	JJ	Degree=Pos	7	amod	_	_
6	dispersion	dispersion	NOUN	NN	Number=Sing	7	compound	_	_
7	factor	factor	NOUN	NN	Number=Sing	2	obj	_	_
8	because	because	ADP	IN	ExtPos=ADP	11	case	_	_
9	of	of	ADP	IN	_	8	fixed	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	lack	lack	NOUN	NN	Number=Sing	7	nmod	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	rain	rain	NOUN	NN	Number=Sing	11	nmod	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	layout	layout	NOUN	NN	Number=Sing	11	conj	_	_
17	of	of	ADP	IN	_	19	case	_	_
18	tall	tall	ADJ	JJ	Degree=Pos	19	amod	_	_
19	buildings	building	NOUN	NNS	Number=Plur	16	nmod	_	_
20	and	and	CCONJ	CC	_	22	cc	_	_
21	narrow	narrow	ADJ	JJ	Degree=Pos	22	amod	_	_
22	streets	street	NOUN	NNS	Number=Plur	19	conj	_	SpaceAfter=No
23	,	,	PUNCT	,	_	25	punct	_	_
24	which	which	PRON	WDT	PronType=Rel	25	nsubj	_	_
25	create	create	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	acl:relcl	_	_
26	a	a	DET	DT	Definite=Ind|PronType=Art	28	det	_	_
27	bowl	bowl	NOUN	NN	Number=Sing	28	compound	_	_
28	effect	effect	NOUN	NN	Number=Sing	25	obj	_	SpaceAfter=No
29	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Cairo | a poor dispersion factor |  |  |  | because feature's lack of rain and feature's layout of tall buildings and narrow streets | vn birth-28.2-1 «NP V NP»: agent=Agent factor=Patient |
| 2 | **create** | present | tall buildings and narrow streets | a bowl effect |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent effect=Result |
| 3 | **lack** |  | feature | rain |  |  |  |  | nom lack «state transitive»: poss=agent of=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, «Cairo», 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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