Anchor: A man who uses a cane walks over the white lines of a crosswalk.
Entailed: A person is in the crosswalk.
Contradiction: A man is sitting on a sofa using a laptop.
Contradiction: The plant never blew up, but I wish it did.
Contradiction: labor-management relations at the Postal Service have been characterized by disagreements
Contradiction: Four dogs wait outside in a line for ticket.
Contradiction: cheerleaders are outside