Anchor: A person wearing a helmet begins to ride a skateboard down a street hill.
Entailed: The helmet has a hard surface.
Contradiction: The surface of the street is sticky mud.
Contradiction: The area she moved to was mostly filled with young people.
Contradiction: It has been a pleasure speaking with you Steve.
Contradiction: In reaction to his brother's desire for power, he adopted an active life of helping the poor and needy for one year.
Contradiction: Things are being bought.