Anchor: Certified Mail is costly to the Postal Service and the consumer.
Entailed: Certified Mail is costly to the Postal Service and the consumer.
Contradiction: Certified Mail is cheap to the Postal Service and the consumer.
Contradiction: Two brothers are fighting at school.
Contradiction: The man is outside.
Contradiction: There is light traffic on two eighty five.
Contradiction: Two girls are playing musical instruments.