Anchor: You can swim beneath them in chilly waters, then picnic by the cool, leafy pools above.
Entailed: You can swim near the aquatic life in the cool waters.
Contradiction: You can not swim in the waters they are infested with jelly fish. 
Contradiction: The woman was at home sleeping in her pajamas on the couch.
Contradiction: The savings come from knowing mercury, SO2, and NOx requirements.
Contradiction: A group of men playing roller derby.
Contradiction: A crowd dumps water over someone's head.