Anchor: The AIM-9X program made extensive use of engineering prototypes to stabilize the missile's design before building production representative prototypes.
Entailed: The AIM-9X program created prototypes of the missile's design.
Contradiction: The AIM-9X did not bother to make prototypes of missile designs; they just created the actual missiles straight away.
Contradiction: A boy is sitting quietly at the table with his family.
Contradiction: Children are sitting outside a school.
Contradiction: A man is reading a book on the couch.
Contradiction: A girl is outside.