Anchor: a street performer does stunts with a large red hoop.
Entailed: The performer entertains the crowd.
Contradiction: The performer uses only balloons to entertain the crowd.
Contradiction: A person is giving a lecture
Contradiction: New content can be more easily developed once knowledge of existing components is established.
Contradiction: The long-haired female is standing in the sun on a hot day.
Contradiction: The couple is dancing.