---
title: In 1986 a reactor at the Chornobyl power plant exploded, and people… — The Chornobyl zone: how wild animals came back,… · tree and pragmatics
description: In 1986 a reactor at the Chornobyl power plant exploded, and people were moved out of a large area around it. Who acts: reactor. A sentence of the lesson «The Chornobyl zone: how wild animals came back, and what is still argued» of the biology course of Mova's primary school with its dependency tree
---

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# The Chornobyl zone: how wild animals came back, and what is still argued, sentence 8

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In 1986 a reactor at the Chornobyl power plant exploded, and people were moved out of a large area around it.

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**Who acts:** reactor · **What happens:** explode, move out · **To what, where:** 1986, people, large area

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This is a sentence of the lesson «The Chornobyl zone: how wild animals came back, and what is still argued» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (reactor), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:376-the-chornobyl-zone-how-wild-animals-came-back-and-what-is-still-argued.lesson:8
# text = In 1986 a reactor at the Chornobyl power plant exploded, and people were moved out of a large area around it.
# source = school lesson (ours)
# course = biology
# lesson = 376-the-chornobyl-zone-how-wild-animals-came-back-and-what-is-still-argued.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R2-punct-next ×1
1	In	in	ADP	IN	_	2	case	_	_
2	1986	1986	NUM	CD	NumForm=Digit|NumType=Card	10	obl	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	reactor	reactor	NOUN	NN	Number=Sing	10	nsubj	_	_
5	at	at	ADP	IN	_	9	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
7	Chornobyl	Chornobyl	PROPN	NNP	Number=Sing	9	compound	_	_
8	power	power	NOUN	NN	Number=Sing	9	compound	_	_
9	plant	plant	NOUN	NN	Number=Sing	4	nmod	_	_
10	exploded	explode	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
11	,	,	PUNCT	,	_	15	punct	_	Agree=R2-punct-next|Haiku=10:punct
12	and	and	CCONJ	CC	_	15	cc	_	_
13	people	people	NOUN	NNS	Number=Plur	15	nsubj	_	_
14	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	15	aux:pass	_	_
15	moved	move	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	conj	_	_
16	out	out	ADP	IN	_	20	case	_	_
17	of	of	ADP	IN	_	20	case	_	_
18	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
19	large	large	ADJ	JJ	Degree=Pos	20	amod	_	_
20	area	area	NOUN	NN	Number=Sing	15	obl	_	_
21	around	around	ADP	IN	_	22	case	_	_
22	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	20	nmod	_	_
23	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **explode** | past | a reactor at the Chornobyl power plant |  |  | 1986 |  |  | vn sound\_emission-43.2 «NP V PP.location»: agent=Theme in 1986=Location |
| 2 | **move out** | past · passive |  | people |  | a large area around reactor |  |  | vn roll-51.3.1 «NP V NP ADJ.result»: subject=Theme area=Result |

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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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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:376-the-chornobyl-zone-how-wild-animals-came-back-and-what-is-still-argued.lesson:8`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R2-punct-next ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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