Anchor: Increasing degree of substitutability between postal delivery services and telephone services over past decade, from -0.
Entailed: Telephone service and postal delivery service have become more interchangeable.
Contradiction: Postal service cannot substitute for telephone service at all.
Contradiction: One man is swimming in the lake
Contradiction: The Administrator is forbidden to allow total annual emissions of sulfur dioxide from utility units to be over 8.90 million tons.
Contradiction: There is noone in the alleyway.
Contradiction: The history of budget forecast should remind one of not being complacent.