Challenge their worldview.
1	Challenge	challenge	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=joint-list_m:40->11:1
2	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	3	nmod:poss	3:nmod:poss	Entity=(39-abstract-new-cf2-2-sgl(1-person-giv:act-cf1*-1-ana)
3	worldview	worldview	NOUN	NN	Number=Sing	1	obj	1:obj	Entity=39)|SpaceAfter=No
4	.	.	PUNCT	.	_	1	punct	1:punct	_
