--- title: On 26 April 1986 reactor 4 of the Chornobyl nuclear power plant expl… — Chornobyl and independence in 1991 · tree and pragmatics description: On 26 April 1986 reactor 4 of the Chornobyl nuclear power plant exploded; about 31 people died in the first months, tens of thousands were evacuated for good, and later deaths from radiation (invisible harmful rays) are debated, because cancers can appear years later and also have other causes, with --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/history/48-chornobyl-and-independence-in-1991/6/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [History](https://md.mova.elamur.ai/free/en/corpora/school/history/) / [Chornobyl and independence in 1991](https://md.mova.elamur.ai/free/en/corpora/school/history/48-chornobyl-and-independence-in-1991/) / 6 # Chornobyl and independence in 1991, sentence 6 On 26 April 1986 reactor 4 of the Chornobyl nuclear power plant exploded; about 31 people died in the first months, tens of thousands were evacuated for good, and later deaths from radiation (invisible harmful rays) are debated, because cancers can appear years later and also have other causes, with estimates from thousands to tens of thousands. **Who acts:** reactor, 31 people, cancers · **What happens:** explode, die, evacuate, debate, appear, have · **To what, where:** 26, tens, later deaths, other causes This is a sentence of the lesson «Chornobyl and independence in 1991» of the history 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, 31 people, cancers), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:history:048-chornobyl-and-independence-in-1991.lesson:6 # text = On 26 April 1986 reactor 4 of the Chornobyl nuclear power plant exploded; about 31 people died in the first months, tens of thousands were evacuated for good, and later deaths from radiation (invisible harmful rays) are debated, because cancers can appear years later and also have other causes, with estimates from thousands to tens of thousands. # source = school lesson (ours) # course = history # lesson = 048-chornobyl-and-independence-in-1991.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, R3-conj-first ×1, R5-strong ×1, R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-agree ×1 1 On on ADP IN _ 2 case _ _ 2 26 26 NUM CD NumForm=Digit|NumType=Card 13 obl _ _ 3 April April PROPN NNP Number=Sing 2 nmod:unmarked _ _ 4 1986 1986 NUM CD NumForm=Digit|NumType=Card 2 nmod:unmarked _ _ 5 reactor reactor NOUN NN Number=Sing 13 nsubj _ _ 6 4 4 NUM CD NumForm=Digit|NumType=Card 5 flat _ _ 7 of of ADP IN _ 12 case _ _ 8 the the DET DT Definite=Def|PronType=Art 12 det _ _ 9 Chornobyl Chornobyl PROPN NNP Number=Sing 12 compound _ _ 10 nuclear nuclear ADJ JJ Degree=Pos 11 amod _ _ 11 power power NOUN NN Number=Sing 12 compound _ _ 12 plant plant NOUN NN Number=Sing 5 nmod _ _ 13 exploded explode VERB VBD Mood=Ind|Tense=Past|VerbForm=Fin 0 root _ _ 14 ; ; PUNCT , _ 18 punct _ Agree=R2-punct-next|Haiku=13:punct 15 about about ADV RB _ 16 advmod _ _ 16 31 31 NUM CD NumForm=Digit|NumType=Card 17 nummod _ _ 17 people people NOUN NNS Number=Plur 18 nsubj _ _ 18 died die VERB VBD Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin 13 parataxis _ Agree=R7-rel-agree|Haiku=13:conj 19 in in ADP IN _ 22 case _ _ 20 the the DET DT Definite=Def|PronType=Art 22 det _ _ 21 first first ADJ JJ Degree=Pos|NumForm=Word|NumType=Ord 22 amod _ _ 22 months month NOUN NNS Number=Plur 18 obl _ _ 23 , , PUNCT , _ 28 punct _ Agree=R6-punct-agree|Haiku=24:punct 24 tens ten NOUN NNS Number=Plur 28 nsubj:pass _ _ 25 of of ADP IN _ 26 case _ _ 26 thousands thousand NOUN NNS Number=Plur 24 nmod _ _ 27 were be AUX VBD Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin 28 aux:pass _ _ 28 evacuated evacuate VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 18 conj _ _ 29 for for ADP IN _ 30 case _ _ 30 good good ADJ JJ Degree=Pos 28 obl _ _ 31 , , PUNCT , _ 43 punct _ _ 32 and and CCONJ CC _ 43 cc _ _ 33 later late ADJ JJR Degree=Cmp 34 amod _ Agree=R7-rel-agree|Haiku=34:advmod|HaikuPos=ADV:RBR:Degree=Cmp 34 deaths death NOUN NNS Number=Plur 43 nsubj:pass _ _ 35 from from ADP IN _ 36 case _ _ 36 radiation radiation NOUN NN Number=Sing 34 nmod _ _ 37 ( ( PUNCT -LRB- _ 40 punct _ _ 38 invisible invisible ADJ JJ Degree=Pos 40 amod _ _ 39 harmful harmful ADJ JJ Degree=Pos 40 amod _ _ 40 rays ray NOUN NNS Number=Plur 36 appos _ _ 41 ) ) PUNCT -RRB- _ 40 punct _ _ 42 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 43 aux:pass _ _ 43 debated debate VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 13 conj _ Agree=R3-conj-first|Haiku=18:conj 44 , , PUNCT , _ 48 punct _ _ 45 because because SCONJ IN _ 48 mark _ _ 46 cancers cancer NOUN NNS Number=Plur 48 nsubj _ _ 47 can can AUX MD VerbForm=Fin 48 aux _ _ 48 appear appear VERB VB VerbForm=Inf 43 advcl _ _ 49 years year NOUN NNS Number=Plur 50 obl:unmarked _ _ 50 later late ADV RBR Degree=Cmp 48 advmod _ _ 51 and and CCONJ CC _ 53 cc _ _ 52 also also ADV RB _ 53 advmod _ _ 53 have have VERB VB VerbForm=Inf 48 conj _ Agree=R8-pos-agree|Haiku=48:conj|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 54 other other ADJ JJ Degree=Pos 55 amod _ _ 55 causes cause NOUN NNS Number=Plur 53 obj _ _ 56 , , PUNCT , _ 58 punct _ _ 57 with with ADP IN _ 58 case _ _ 58 estimates estimate NOUN NNS Number=Plur 53 obl _ Agree=R5-strong|Haiku=55:conj 59 from from ADP IN _ 60 case _ _ 60 thousands thousand NOUN NNS Number=Plur 58 nmod _ _ 61 to to ADP IN _ 62 case _ _ 62 tens ten NOUN NNS Number=Plur 55 nmod _ _ 63 of of ADP IN _ 64 case _ _ 64 thousands thousand NOUN NNS Number=Plur 62 nmod _ _ 65 . . PUNCT . _ 13 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: narrate - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **explode** | past | reactor of the Chornobyl power plant | | | 26 April 1986 | | | vn sound\_emission-43.2 «NP V PP.location»: agent=Theme on 26=Location | | 2 | **die** | past | 31 people | | | | month | | vn calibratable\_cos-45.6.1 «NP.attribute V»: agent=Attribute | | 3 | **evacuate** | past · passive | | tens of thousands | | | | for good | vn banish-10.2 «NP V NP»: subject=Theme | | 4 | **debate** | present · passive | | later deaths from radiation | | | | | vn battle-36.4-1 «NP V NP»: subject=Co-Agent | | 5 | **appear** | can | cancers | | | | | late *property* | vn appear-48.1.1 «NP V»: agent=Theme | | 6 | **have** | infinitive | cancers *not said here* | other causes | | | | to tens of thousands; with estimates from thousands | vn birth-28.2-1 «NP V NP»: agent=Agent cause=Patient | 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. **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:history:048-chornobyl-and-independence-in-1991.lesson:6`. **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, R3-conj-first ×1, R5-strong ×1, R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-agree ×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/). - ← previous: [Chornobyl and independence in 1991, 5](https://md.mova.elamur.ai/free/en/corpora/school/history/48-chornobyl-and-independence-in-1991/5/) - next →: [Chornobyl and independence in 1991, 7](https://md.mova.elamur.ai/free/en/corpora/school/history/48-chornobyl-and-independence-in-1991/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/history/48-chornobyl-and-independence-in-1991/)