context: A man is riding on the back of a garbage truck.
hypothesis: It is certain that a man saves money by hitching a ride on a garbage truck.
valid_hypothesis: There is almost no chance that a man saves money by hitching a ride on a garbage truck.
invalid_hypothesis: It is certain that a man saves money by hitching a ride on a garbage truck.
hypothesis_assertion: A man saves money by hitching a ride on a garbage truck.