Anchor: The bowman fell off his horse and put his hand over the wound in his leg.
Entailed: As he fell off his horse he put a hand over his wounded leg. 
Contradiction: He fell of the horse and covered his wounded arm with his free hand.
Contradiction: The man is walking through the desert behind his camel.
Contradiction: The man is playing the guitar.
Contradiction: Unfortunately, requesting access to the encrypted guide through email is not available. 
Contradiction: A worker is operating a machine.