Anchor: They look unpleasant in the sky and I'm fairly sure they're not a safe; they tend to shake.
Entailed: They shake and I don't think they're safe.
Contradiction: I am confident they are very safe.
Contradiction: That man would rather look at you all day long than anything else.  
Contradiction: A boy laughing
Contradiction: There is a cat out in public.
Contradiction: Thanks for chatting Cathy, goodbye.