context: It is impossible that Julius is green. It is highly unlikely that Brian is yellow. We believe that Julie is in the cinema.
hypothesis: Chances are about even that julius is green, or Brian is yellow.
valid_hypothesis: It is highly unlikely that julius is green, or Brian is yellow.
invalid_hypothesis: Chances are about even that julius is green, or Brian is yellow.
hypothesis_assertion: Julius is green, or Brian is yellow.