Anchor: A surfer is riding numerous waves.
Entailed: A surfer is on the water.
Contradiction: A snowboarder carves down the mountain.
Contradiction: There are no characteristics to describe regarding profitable routes as there are none. 
Contradiction: The man across the hall from Rick's grandmother was naked.
Contradiction: The men are swimming across the ocean.
Contradiction: The dog and child are outside in the snow.