Anchor: The Postal Service has the advantage of being able to deliver these advertisements to all addresses, while newspapers usually (but not always) deliver inserts just to their subscribers.
Entailed: Newspapers normally deliver inserts exclusively to subscribers.
Contradiction: Newspapers can deliver to all addresses while the Postal Service can only deliver to a select few.
Contradiction: Young men have fun while playing sack jumping in park.
Contradiction: The original discount rate is used to calculate the present value of a loan.
Contradiction: Gathered into one group.
Contradiction: The men were stepping on the sidewalk.