---
title: The BRT service officially opened for free trial from 10 March to 9… — Vientiane · tree and pragmatics
description: The BRT service officially opened for free trial from 10 March to 9 May 2026; normal fare operation was due to start on 10 May. Who acts: BRT service, normal fare operation. A sentence of Wikipedia's «Vientiane» with its dependency tree and pragmatics.
---

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# Vientiane, sentence 80

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From Wikipedia, [«Vientiane»](https://en.wikipedia.org/wiki/Vientiane), 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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The BRT service officially opened for free trial from 10 March to 9 May 2026; normal fare operation was due to start on 10 May.

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**Who acts:** BRT service, normal fare operation · **What happens:** open, be, start · **To what, where:** 10

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This is a sentence of the English Wikipedia article «Vientiane». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (BRT service, normal fare operation), 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:Vientiane:80
# text = The BRT service officially opened for free trial from 10 March to 9 May 2026; normal fare operation was due to start on 10 May.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	BRT	BRT	PROPN	NNP	Number=Sing	3	compound	_	_
3	service	service	NOUN	NN	Number=Sing	5	nsubj	_	_
4	officially	officially	ADV	RB	_	5	advmod	_	_
5	opened	open	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	for	for	ADP	IN	_	8	case	_	_
7	free	free	ADJ	JJ	Degree=Pos	8	amod	_	_
8	trial	trial	NOUN	NN	Number=Sing	5	obl	_	_
9	from	from	ADP	IN	_	10	case	_	_
10	10	10	NUM	CD	NumForm=Digit|NumType=Card	5	obl	_	_
11	March	March	PROPN	NNP	Number=Sing	10	nmod:unmarked	_	_
12	to	to	ADP	IN	_	13	case	_	_
13	9	9	NUM	CD	NumForm=Digit|NumType=Card	10	nmod	_	_
14	May	May	PROPN	NNP	Number=Sing	15	nmod:unmarked	_	_
15	2026	2026	NUM	CD	NumForm=Digit|NumType=Card	13	flat	_	SpaceAfter=No
16	;	;	PUNCT	,	_	21	punct	_	_
17	normal	normal	ADJ	JJ	Degree=Pos	19	amod	_	_
18	fare	fare	NOUN	NN	Number=Sing	19	compound	_	_
19	operation	operation	NOUN	NN	Number=Sing	21	nsubj	_	_
20	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	21	cop	_	_
21	due	due	ADJ	JJ	Degree=Pos	5	conj	_	_
22	to	to	PART	TO	_	23	mark	_	_
23	start	start	VERB	VB	VerbForm=Inf	21	csubj	_	_
24	on	on	ADP	IN	_	25	case	_	_
25	10	10	NUM	CD	NumForm=Digit|NumType=Card	23	obl	_	_
26	May	May	PROPN	NNP	Number=Sing	25	nmod:unmarked	_	SpaceAfter=No
27	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **open** | past | the BRT service |  |  | 10  March to 9 |  | for free trial; officially *property* | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 2 | **is** | past | normal fare operation |  |  |  |  | due *property* | tree rules |
| 3 | **start** | to-infinitive |  |  |  | 10  May |  |  | vn begin-55.1-1-1 «NP.eventuality V»: agent=Eventuality |

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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, «Vientiane», 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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