Anchor: Although a survival curve approach provides a theoretically preferred method for valuing the benefits of reduced risk of premature mortality associated with reducing air pollution, the approach requires a great deal of data to implement.
Entailed: A survival curve approach requires a great deal of data.
Contradiction: Very little data is require to implement a survival curve.
Contradiction: The bicyclists are parked under a tree, enjoying water and sandwiches after a hard-fought race.
Contradiction: School helps parents and children spend more time with their parents than at school.
Contradiction: It was honorable to just kill him and get it over with.
Contradiction: Oh yes it occurs every Saturday night.