But we don't know.
1	But	but	CCONJ	CC	_	5	cc	5:cc	Discourse=adversative-concession:77->76:0
2	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	5	nsubj	5:nsubj	Entity=(21-person-giv:inact-cf1-1-ana)
3-4	don't	_	_	_	_	_	_	_	_
3	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	5	aux	5:aux	_
4	n't	not	PART	RB	Polarity=Neg	5	advmod	5:advmod	_
5	know	know	VERB	VB	VerbForm=Inf	0	root	0:root	SpaceAfter=No
6	.	.	PUNCT	.	_	5	punct	5:punct	_
