Anchor: Spectators watch as a snowboarder does a trick.
Entailed: There are spectators and snowboarders outside.
Contradiction: The spectators watch as a snowboarder plays basketball with his friends.
Contradiction: Everything has been tested. 
Contradiction: The museum contains religious art and relics.
Contradiction: The two persons angrily yell at each other.
Contradiction: a group of girls are standing around