Anchor: But if we cited your telephone number instead, we wouldn't be violating copyright laws--even though Web surfers could hear the same recording by dialing the number.
Entailed: We wouldn't violate copyright laws by telling your phone number.
Contradiction: We would certainly violate copyright laws by telling your phone number.
Contradiction: Arrivals and departures are infrequent.
Contradiction: The dog came onto the beach and out of the water.
Contradiction: The biological exposure-response experiment results were never used to estimate crop yield changes. 
Contradiction: A child running on a street.