Anchor: Thus, in 1997, on average, households made less than one payment by mail for every two bills received in the mail.
Entailed: Households made about half their payments by mail.
Contradiction: Households make 80% of their payments by mail.
Contradiction: This sea cliff is very low and plummets into the Pacific ocean.
Contradiction: He paused for a doubtful moment, and the door opened.
Contradiction: It is easy to digest it all at once.
Contradiction: People are outside.