Didn't they?
1-2	Didn't	_	_	_	_	_	_	_	_
1	Did	do	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	Discourse=topic-solutionhood:155->156:1
2	n't	not	PART	RB	Polarity=Neg	1	advmod	1:advmod	_
3	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	1	nsubj	1:nsubj	Entity=(127-person-giv:act-cf1*-1-ana)|SpaceAfter=No
4	?	?	PUNCT	.	_	1	punct	1:punct	_
