Anchor: Why open a gas station if nobody has a car?)
Entailed: There's no need for a gas station if people don't have cars.
Contradiction: There will always be a need for gas stations, no matter what. 
Contradiction: A dog is running in the road.
Contradiction: The various governments will have expenditures of over $100 million per year.
Contradiction: Nobody was sick
Contradiction: There are people on the beach.