Anchor: postal service establish rate tiers based on the destination of the mail?
Entailed: How much the postal service charges is based on where the mail is going. 
Contradiction: The Postal Service does not charge to use mail service. 
Contradiction: i know all about day care and six year olds can attend the nursery
Contradiction: Will you take responsibility for yours?
Contradiction: Two men are getting ready to swim.
Contradiction: They were not of the correct rank to be selected.