context: A black man, wearing a cap, is sitting in a bus.
hypothesis: Chances are about even that a guy is headed home after a visit to the doctor's office.
valid_hypothesis: It is impossible that a guy is headed home after a visit to the doctor's office.
invalid_hypothesis: Chances are about even that a guy is headed home after a visit to the doctor's office.
hypothesis_assertion: A guy is headed home after a visit to the doctor's office.