Anchor: Snorkeling and skin diving are particularly rewarding at a number of isolated inlets and nearby islets, and boats to take you there are readily available.
Entailed: You can snorkel and skin dive at nearby islets.  
Contradiction: No diving is permitted at the nearby islets.  
Contradiction: A little girl in a dress eating an ice cream.
Contradiction: I think she doesn't belong with him
Contradiction: the cat eats cheese
Contradiction: The results need to be used in order to improve the security program.