---
title: It pioneered the production of low cost intraocular lenses (IOLs), w… — Kathmandu · tree and pragmatics
description: It pioneered the production of low cost intraocular lenses (IOLs), which are used in cataract surgery. Who acts: most. A sentence of Wikipedia's «Kathmandu» with its dependency tree and pragmatics.
---

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# Kathmandu, sentence 342

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From Wikipedia, [«Kathmandu»](https://en.wikipedia.org/wiki/Kathmandu), 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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It pioneered the production of low cost intraocular lenses (IOLs), which are used in cataract surgery.

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**Who acts:** most · **What happens:** pioneer, use, produce · **To what, where:** production, intraocular lenses, cataract surgery, low cost

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This is a sentence of the English Wikipedia article «Kathmandu». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (most), 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:Kathmandu:342
# text = It pioneered the production of low cost intraocular lenses (IOLs), which are used in cataract surgery.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	pioneered	pioneer	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	production	production	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	low	low	ADJ	JJ	Degree=Pos	7	amod	_	_
7	cost	cost	NOUN	NN	Number=Sing	4	nmod	_	_
8	intraocular	intraocular	ADJ	JJ	Degree=Pos	9	amod	_	_
9	lenses	lens	NOUN	NNS	Number=Plur	2	obj	_	_
10	(	(	PUNCT	-LRB-	_	11	punct	_	SpaceAfter=No
11	IOLs	IOLs	PROPN	NNP	Number=Sing	9	appos	_	SpaceAfter=No
12	)	)	PUNCT	-RRB-	_	11	punct	_	SpaceAfter=No
13	,	,	PUNCT	,	_	16	punct	_	_
14	which	which	PRON	WDT	PronType=Rel	16	nsubj:pass	_	_
15	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	aux:pass	_	_
16	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
17	in	in	ADP	IN	_	19	case	_	_
18	cataract	cataract	NOUN	NN	Number=Sing	19	compound	_	_
19	surgery	surgery	NOUN	NN	Number=Sing	16	obl	_	SpaceAfter=No
20	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pioneer** | past | most | the production of low cost |  |  |  | intraocular lenses *obj* | tree rules |
| 2 | **use** | present · passive |  | intraocular lenses |  | cataract surgery |  |  | vn eat-39.1 «NP V NP»: subject=Patient |
| 3 | **produce** |  |  | low cost |  |  |  |  | nom production «act transitive»: 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, «Kathmandu», 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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