Anchor: A black dog and a brown dog play with a red toy on a courtyard.
Entailed: The dogs are playing around.
Contradiction: These dogs are sleeping in the courtyard.
Contradiction: They emphasized that stress does no harm to the body.
Contradiction: The situation is different when talking about universal transport like buses or any kind of vehicle.
Contradiction: Gary Becker and Merton Miller are professors in the University of California.
Contradiction: There is a person fishing.