Anchor: An adolescent in a red life jacket is paddling down a river in a canoe.
Entailed: An adolescent  is paddling down a river.
Contradiction: A boy is skydiving.
Contradiction: It is simple as can be to get what you need from the Government.
Contradiction: The dog is being watched.
Contradiction: There is a person on the beach in the sun.
Contradiction: A man plays an instrument.