Anchor: A yellow tractor digging in an urban environment.
Entailed: A construction worker digs in the city.
Contradiction: The construction workers are digging in the country.
Contradiction: There is much here to worry someone. 
Contradiction: There is a storage box.
Contradiction: It guarantees that the process that produces the product has been stopped.
Contradiction: People responded to Dr. Elders remarks about Congressmen's drug use.