Anchor: A man is riding the bike without wearing his helmet.
Entailed: A man is on a bike.
Contradiction: The man has been bowling for hours.
Contradiction: I know where we were. 
Contradiction: A boy is eating outside.
Contradiction: All Western nations were represented in Kathmandu except for the British.
Contradiction: There are lots of structures in the East that are duplicates of the ones in the West due to their previous separation.