context: It is probably the case that Greg is a swan. It is probable that Brian is yellow. It is likely that Julius is green.
hypothesis: Chances are slight that julius is green, or Greg is a swan.
valid_hypothesis: It is highly likely that julius is green, or Greg is a swan.
invalid_hypothesis: Chances are slight that julius is green, or Greg is a swan.
hypothesis_assertion: Julius is green, or Greg is a swan.