Anchor: None exploited pig as an epithet for policeman.
Entailed: Pigs were not used to describe policemen in any of them.
Contradiction: They all related police officers and pigs.
Contradiction: The CIO organization does not need any credibility. 
Contradiction: A man has long facial hair.
Contradiction: Isikoff said it was correct, not the other way around. 
Contradiction: A person is skiing in the snow.