Anchor: Four people are kayaking in a river.
Entailed: People are outdoors.
Contradiction: Four people are being tossed off the roof of a building.
Contradiction: The cat is running.
Contradiction: A snowboarder does a trick.
Contradiction: The Jussieu University complex is ten miles away from the Halles aux Vins.
Contradiction: A black man plays percussion instruments to earn money.