Anchor: To address those issues the public--represented by the casual museum visitor--needed an understanding of the lives and practices of the gay community, so long hidden from view.
Entailed: The public needed an understanding of the lives of the gay community.
Contradiction: The public did not need to understand the gay community.
Contradiction: I have never watched Murder She Wrote. 
Contradiction: The young girl is wearing swimwear.
Contradiction: Those who come to the city never leave.
Contradiction: The man is wearing red.