Anchor: A man mopping the floor in front of an amusement park ride.
Entailed: A man mops the area in front of an amusement park ride.
Contradiction: A man sits on an amusement park bench.
Contradiction:  We haven't rented any movies lately. 
Contradiction: Some think that Castro became a Communist because of US aggression towards him.
Contradiction: I felt that it was best to go off and leave everything like that.
Contradiction: Not wrong but not helpful.