context: A man siting on a bench with a briefcase.
hypothesis: There is a very good chance that the man is waiting for the bus to take him to the airport.
valid_hypothesis: There is almost no chance that the man is waiting for the bus to take him to the airport.
invalid_hypothesis: There is a very good chance that the man is waiting for the bus to take him to the airport.
hypothesis_assertion: The man is waiting for the bus to take him to the airport.