Anchor: He gave away documents that could have helped the Soviets identify American moles.
Entailed: The documents that he gave away had sensitive information.
Contradiction: The documents that were given had no value to anyone.
Contradiction: A man rides a motorcycle.
Contradiction: Tuppence believes that he keeps a bicycle shop during peacetime. 
Contradiction: A man with a backpack is riding a bike.
Contradiction: Scientists are attempting to clone human embryos.