Anchor: This produces annual cost functions for each of the major postal activities and a total cost function.
Entailed: This produces cost functions for each of the postal activities.
Contradiction: This produces cost functions for each of the environmental activities.
Contradiction: the children were playing tennis at gym
Contradiction: The two dogs want to retrieve the toy from the pool
Contradiction: There are only 2 dogs in the photo.
Contradiction: He said the barriers faced by doctors should be investigated.