Anchor: 4/ Household  First-Class Mail either sent or received by households.
Entailed: First class mail can be both received and sent from households.
Contradiction: Only businesses can send first class mail to households.
Contradiction: The black dog has his head sticking out of the car window.
Contradiction: Politicians are a major cause of our problems.
Contradiction: We are no longer working with anyone from the federal government on financial and economic reform, we have given up.
Contradiction: Girls and women are jumping rope outside.