Anchor: A person in a wetsuit is in midair while surfing.
Entailed: A person is in the water.
Contradiction: A person is sunbathing.
Contradiction: I am childless and don't have any pets. 
Contradiction: You can go trekking to see hill stations.
Contradiction: the man is wearing a blue uniform playing foosball
Contradiction: There are excellent options for vacationers who like walking or hiking.