Anchor: A red plane flying over a boat as it trails pink smoke.
Entailed: There is a plane in the sky.
Contradiction: A plane crashes into a boat.
Contradiction: a spaceship is flying in the air and purple smoke is coming out of it.
Contradiction: A red plane is parked at the airport.
Contradiction: The red plane was parked in a hangar.
Contradiction: A helicopter is hovering above a boat.