I don't know how to say it.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	4:nsubj	Discourse=adversative-concession:33->34:1|Entity=(1-person-giv:act-cf1*-1-ana)
2-3	don't	_	_	_	_	_	_	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	4	aux	4:aux	_
3	n't	not	PART	RB	Polarity=Neg	4	advmod	4:advmod	_
4	know	know	VERB	VB	VerbForm=Inf	0	root	0:root	_
5	how	how	SCONJ	WRB	PronType=Int	4	obj	4:obj	_
6	to	to	PART	TO	_	7	mark	7:mark	_
7	say	say	VERB	VB	VerbForm=Inf	5	acl	5:acl:to	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	obj	7:obj	Entity=(18-abstract-new-cf2-1-sgl)|SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	4:punct	_
