Why do we say that?
1	Why	why	ADV	WH	PronType=Int	4	advmod	_	_
2	do	do	AUX	PRES	Mood=Ind|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	we	we	PRON	PERS-P1PL-NOM	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	_	_
4	say	say	VERB	INF	VerbForm=Inf	0	root	_	_
5	that	that	PRON	DEM-SG	Number=Sing|PronType=Dem	4	obj	_	SpaceAfter=No
6	?	?	PUNCT	QuestionMark	_	4	punct	_	_
