Anchor: He used Morris to help him move to the center.
Entailed: Morris helped him move to the center.
Contradiction: He used no one to help him move to the center.
Contradiction: A woman is swimming in the lake.
Contradiction: The dog plays in the snow while the children sled.
Contradiction: Dave Hanson is larger than everyone. 
Contradiction: A museum displays finds from the island, including the eastern site of Polyohni.