I say why not?
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	2	nsubj	2:nsubj	_
2	say	say	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	why	why	ADV	WRB	PronType=Int	4	advmod	4:advmod	_
4	not	not	PART	RB	_	2	ccomp	2:ccomp	SpaceAfter=No
5	?	?	PUNCT	.	_	2	punct	2:punct	_
