How would you know?
1	How	how	ADV	WRB	PronType=Int	4	advmod	4:advmod	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	4:aux	_
3	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	4:nsubj	_
4	know	know	VERB	VB	VerbForm=Inf	0	root	0:root	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	4:punct	_
