Anchor: He still asks me if he is going to die, and if I'm still going to give him my kidney.
Entailed: He wants to know if he will get my kidney.
Contradiction: He did not ask about dying.
Contradiction: The kids are sitting in the classroom.
Contradiction: It is not fully visible until you step into its precincts. 
Contradiction: Some people retired because of boredom.
Contradiction: A human on bike