Anchor: They also protect the preferred subclasses of mail, low rates for Periodicals, classifications that are not market based, rates that do not follow costs, and a range of other practices discussed in this paper.
Entailed: Periodicals are cheap to mail.
Contradiction: Periodicals cost more than anything else to mail.
Contradiction: The children have no toys.
Contradiction: Fines are much more effective than boycotts are. 
Contradiction: A male is eating break
Contradiction: The people are on the water in a boat