I didn't understand so I didn't say anything.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	4:nsubj	Discourse=causal-cause:54->55:0|Entity=(3-person-giv:act-cf1*-1-ana)
2-3	didn't	_	_	_	_	_	_	_	_
2	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	4	aux	4:aux	_
3	n't	not	PART	RB	Polarity=Neg	4	advmod	4:advmod	_
4	understand	understand	VERB	VB	VerbForm=Inf	0	root	0:root	_
5	so	so	ADV	RB	_	9	advmod	9:advmod	Discourse=evaluation-comment:55->49:2
6	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	9	nsubj	9:nsubj	Entity=(3-person-giv:act-cf1*-1-ana)
7-8	didn't	_	_	_	_	_	_	_	_
7	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	9	aux	9:aux	_
8	n't	not	PART	RB	Polarity=Neg	9	advmod	9:advmod	_
9	say	say	VERB	VB	VerbForm=Inf	4	parataxis	4:parataxis	_
10	anything	anything	PRON	NN	Number=Sing|PronType=Ind	9	obj	9:obj	Entity=(26-abstract-new-cf2-1-sgl)|SpaceAfter=No
11	.	.	PUNCT	.	_	4	punct	4:punct	_
