Anchor: A teacher getting his students ready for a swim lesson.
Entailed: The teacher preparing his students for swimming practice.
Contradiction: The students in the swim class leaving after the day's final practice.
Contradiction: The proposed Report and Order was rejected by the Commission before any opportunities arose.
Contradiction: The camping grounds are excellent and have running water.
Contradiction: Cats only like to play with fish. 
Contradiction: Presort businesses collect, sort, and enter the mail.