Anchor: At least for bulk mailers, and in a computerized world, such rate differences are easy to manage.
Entailed: For bulk mailers in a digital world rate differences are easy to manage 
Contradiction: Bulk mailers are harder to manage 
Contradiction: People wait in the DMV.
Contradiction: A man is on the bus.
Contradiction: The conquest of the Balearics by the Moors was never completed and the Moors devastated the island.
Contradiction: there is a crowd.