Anchor: Two men are working on a railroad track.
Entailed: Two men are working outdoors.
Contradiction: The men are feeding a herd of goats.
Contradiction: A dog is carrying a ball in his mouth.
Contradiction: People are carrying about their business nearby a box office
Contradiction: A positive blood alcohol test is good for patients with head injuries. 
Contradiction: A person is cracking open nuts outdoors.