Anchor: A surfboarder emerging from the ocean with his board, as the waves crash ashore behind him.
Entailed: There is a surfer in the ocean.
Contradiction: The surfer gathers his board from his car.
Contradiction: A surfer is afraid to take his board to the ocean.
Contradiction: A surfer is swimming out to sea.
Contradiction: A man is watching a surfer.
Contradiction: The surfboarder is in a surf store.