Anchor: Thus, fixed delivery costs would not be expected to drop until volume per capita were so low that the resulting very low coverage allowed carriers to skip parts of their routes.
Entailed: Fixed delivery costs would likely stay consistent unless carriers had such low volume that skipping portions of the routine became routine.
Contradiction: Fixed delivery costs would fluctuate a lot regardless of the volume per capita.
Contradiction: The dazed assassin took three steps forward. 
Contradiction: A person is moving in the air.
Contradiction: The guests have attended a birthday party.
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