Anchor: An athlete is making progress to the finish line.
Entailed: An athlete is almost to the finish line.
Contradiction: The swimmers are at the starting line.
Contradiction: The burst of fire is from a malfunctioning nuclear weapon.
Contradiction: Mrs. Inglethorp was having a seizure. 
Contradiction: A man in a gray shirt doesn't play electric guitar
Contradiction: Japan decided to invade in order to create a political and economic union of East Asia.