Anchor: Keep in mind the requirement that a subclass has to generate revenue to cover its costs.
Entailed: A subclass needs to make money to cover its costs.
Contradiction: Subclasses are all exempt from paying off their initial costs.
Contradiction: I always knew from the very beginning that my mother and Mr. Inglethorp never quarreled. 
Contradiction: Air quality modeling is an important step to link emissions changes and physical effects.
Contradiction: The Spearmint Rhino is not an appropriate option.
Contradiction: How good do you think the chances of your sister in law living by the one who wrote the letter are?