Anchor: With his hips as a fulcrum and using all of his strength against the man's elbow, Jon could have snapped his arm.
Entailed: The person's arm could have been snapped.
Contradiction: The man was never in danger.
Contradiction: It is a non-stop express service. 
Contradiction: A person is rock climbing.
Contradiction: The Gupta's didn't over take anything. 
Contradiction: The soccer field has women on it.