Anchor: A brown dog walks on top of a felled tree trunk.
Entailed: A dog walks outside.
Contradiction: The dog is laying quiet on the couch.
Contradiction: The dog not only walked across, but did the Moonwalk before break dancing on the trunk.
Contradiction: A brown dog leaps over a puddle.
Contradiction: The brown dog is walking on top of a branch.
Contradiction: The dog walks across the concrete bridge.