If mistaken, how did those reports first come about?
1	If	if	SCONJ	IN	_	2	mark	2:mark	_
2	mistaken	mistaken	ADJ	JJ	Degree=Pos	9	advcl	9:advcl:if	SpaceAfter=No
3	,	,	PUNCT	,	_	9	punct	9:punct	_
4	how	how	ADV	WRB	PronType=Int	9	advmod	9:advmod	_
5	did	do	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	9	aux	9:aux	_
6	those	that	DET	DT	Number=Plur|PronType=Dem	7	det	7:det	_
7	reports	report	NOUN	NNS	Number=Plur	9	nsubj	9:nsubj	_
8	first	first	ADV	RB	NumType=Ord	9	advmod	9:advmod	_
9	come	come	VERB	VB	VerbForm=Inf	0	root	0:root	_
10	about	about	ADP	RP	_	9	compound:prt	9:compound:prt	SpaceAfter=No
11	?	?	PUNCT	.	_	9	punct	9:punct	_
