Anchor: A lone fisherman is on his boat checking his net.
Entailed: The fisherman is outside ob his boat.
Contradiction: The fisherman does not have a net.
Contradiction: A man is vandalizing a wall.
Contradiction: There are resorts for you to stay at.
Contradiction: The policy would make black politicians happy. 
Contradiction: A red race car with the number 56 is driving along a racetrack at fast speeds.