Anchor: expected to be a normal profit level, with the understanding that unusually efficient firms might achieve supra-normal profits for a time.
Entailed: Supra-normal profit levels are usually more easily achieved by firms who are efficient beyond the usual level.
Contradiction: Nobody ever expects that any firms will be at a normal profit level, as they always assume above and beyond what is possible.
Contradiction: A black man is performing an interpertive dance.
Contradiction: Keeping track of the progress made by management is one of the jobs Congress does in its role as overseer.
Contradiction: They don't really consider their subject at all.
Contradiction: A young girl is playing softball.