Anchor: As volume per stop grows and coverage approaches 100 percent, the volume variability of access cost approaches zero.
Entailed: The volume per stop has an effect on the volume variability of access.
Contradiction: The volume per stop has an zero effect on the volume variability of access.
Contradiction: The dog is white
Contradiction: They're supposed to be bilingual 
Contradiction: The assumptions has never been challenged.
Contradiction: There is a Tourist Information Centre and a small museum  in the Elizabethan building known as Robinson's School.