Anchor: Lots of operations are gross--leg amputations, burn surgery, removal of facial tumors, etc.
Entailed: Leg amputations, burn surgery, removal of facial tumors, and many other operations are gross.
Contradiction: The only gross operations are leg amputations, burn surgery, and the removal of facial tumors.
Contradiction: The consequences of policies are measured through trial and error.
Contradiction: Larry Dembovsky is a bio-hazard waste technician. 
Contradiction: Rap continues to be a rare novelty today. 
Contradiction: It was even at your age.