Anchor: The units must vent all their sulfur dioxide, nitrogen oxides, and mercury emissions only through a stack or duct and must meet the monitoring and reporting requirements for those trading programs, except that each unit must be separately monitored.
Entailed: The units have to vent their sulfur dioxide.
Contradiction: THe units contain all their sulfur dioxide.
Contradiction: This is fiction.
Contradiction: There are people rafting.
Contradiction: He had lost power forever.
Contradiction: Two men on a bus.