context: Six men in airport standing on moving walkway
hypothesis: There is a better than even chance that six men are trying to get to their gate at the airport.
valid_hypothesis: There is a better than even chance that six men are trying to get to their gate at the airport.
invalid_hypothesis: Chances are slight that six men are trying to get to their gate at the airport.
hypothesis_assertion: Six men are trying to get to their gate at the airport.