Anchor: A group of people swimming in the ocean while a large group of people watch.
Entailed: A group watching swimmers in the ocean.
Contradiction: Olympic swimmers in a swimming pool.
Contradiction: He stayed on his feet even after the sun struck.
Contradiction: It is my opinion that we give too much away.
Contradiction: A child eats an ice cream cone.
Contradiction: So I didn't have to go outside with no clothes on.