Anchor: A gray dog runs along side a pool while a yellow dog jumps into the pool.
Entailed: A gray dog runs along the side of a pool while a yellow dog jumps in the pool outside.
Contradiction: Dogs eat their nightly dinner.
Contradiction: A gray dog sitting at the pool watching the yellow dog jump in.
Contradiction: The dogs are not allowed outside, and especially not near the swimming pool.
Contradiction: A gray dog and a yellow dog sleep in a bed.
Contradiction: dogs run through a field