Anchor: VARIABLE COST - A cost that varies with changes in the level of an activity, when other factors are held constant.
Entailed: A variable cost is one that changes while other costs remain the same.
Contradiction: Variable costs are those that remain the same when other factors change.
Contradiction: A boy is chasing a cat.
Contradiction: There was a walk-in legal clinic provided by one of the programs at the Boston Medical Center.
Contradiction: The man in a gray shirt is on a boat.
Contradiction: I used to be a great piano player but I can't play I used to.