Anchor: A person wearing a helmet and racing gear is jumping a four wheeler on a dirt track.
Entailed: A person is riding a four wheeler outside.
Contradiction: A person is riding a bicycle outside.
Contradiction: The tourist information offices hold very scant info about the programs. 
Contradiction: Joao Goncalves Zarco arrived in Madeira in the 1400s
Contradiction: Tell him to leave.
Contradiction: The deck has a floating trampoline.