We all know what happened, but even to this day, there are many different versions and opinions on how it happened and what effect Chernobyl will have on the health of people affected by the fallout.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	3:nsubj	_
2	all	all	DET	DT	_	1	det	1:det	_
3	know	know	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
4	what	what	PRON	WP	PronType=Int	5	nsubj	5:nsubj	_
5	happened	happen	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	ccomp	3:ccomp	SpaceAfter=No
6	,	,	PUNCT	,	_	14	punct	14:punct	_
7	but	but	CCONJ	CC	_	14	cc	14:cc	_
8	even	even	ADV	RB	_	11	advmod	11:advmod	_
9	to	to	ADP	IN	_	11	case	11:case	_
10	this	this	DET	DT	Number=Sing|PronType=Dem	11	det	11:det	_
11	day	day	NOUN	NN	Number=Sing	14	obl	14:obl:to	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	14:punct	_
13	there	there	PRON	EX	_	14	expl	14:expl	_
14	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	3:conj:but	_
15	many	many	ADJ	JJ	Degree=Pos	17	amod	17:amod	_
16	different	different	ADJ	JJ	Degree=Pos	17	amod	17:amod	_
17	versions	version	NOUN	NNS	Number=Plur	14	nsubj	14:nsubj	_
18	and	and	CCONJ	CC	_	19	cc	19:cc	_
19	opinions	opinion	NOUN	NNS	Number=Plur	17	conj	14:nsubj|17:conj:and	_
20	on	on	ADP	IN	_	23	mark	23:mark	_
21	how	how	ADV	WRB	PronType=Int	23	advmod	23:advmod	_
22	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	23	nsubj	23:nsubj	_
23	happened	happen	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	17	acl	17:acl:on	_
24	and	and	CCONJ	CC	_	29	cc	29:cc	_
25	what	what	DET	WDT	PronType=Int	26	det	26:det	_
26	effect	effect	NOUN	NN	Number=Sing	29	obj	29:obj	_
27	Chernobyl	Chernobyl	PROPN	NNP	Number=Sing	29	nsubj	29:nsubj	_
28	will	will	AUX	MD	VerbForm=Fin	29	aux	29:aux	_
29	have	have	VERB	VB	VerbForm=Inf	23	conj	17:acl:on|23:conj:and	_
30	on	on	ADP	IN	_	32	case	32:case	_
31	the	the	DET	DT	Definite=Def|PronType=Art	32	det	32:det	_
32	health	health	NOUN	NN	Number=Sing	29	obl	29:obl:on	_
33	of	of	ADP	IN	_	34	case	34:case	_
34	people	people	NOUN	NNS	Number=Plur	32	nmod	32:nmod:of	_
35	affected	affect	VERB	VBN	Tense=Past|VerbForm=Part	34	acl	34:acl	_
36	by	by	ADP	IN	_	38	case	38:case	_
37	the	the	DET	DT	Definite=Def|PronType=Art	38	det	38:det	_
38	fallout	fallout	NOUN	NN	Number=Sing	35	obl	35:obl:by	SpaceAfter=No
39	.	.	PUNCT	.	_	3	punct	3:punct	_
