Anchor: A young girl is sitting in front of an exhibit at an aquarium as a dolphin swims past.
Entailed: The dolphin in the exhibit swims past the young girl at the aquarium.
Contradiction: A young boy opens his birthday present.
Contradiction: Program managers would be able to defend the cost of government activities with or without the help of federal finance organizations.
Contradiction: The man was bloody. 
Contradiction: Bettelheim had a fast food.
Contradiction: A person is riding a horse.