Anchor: Postal Service and all other national posts is that they provide service to every address in the countries they serve.
Entailed: There are multiple national postal services that provide mail post services.
Contradiction: National postal services do not provide service to addresses in their countries.
Contradiction: They must not model the dispersion of pollutants through the atmosphere in the first place.
Contradiction: A dog plays with a ball in the grass.
Contradiction: Coffee was brought in for eight.
Contradiction: Someone is walking up stairs.