context: It is certain that Greg is green. It is impossible that Mary went to the office. It is highly unlikely that Bernhard is a swan. It is likely that if either Mary went to the office, or Greg is green, then Julius is green. It is highly likely that if Bernhard is a swan, and Mary went to the office, then Brian is yellow. It is highly unlikely that if Mary went to the office, or Greg is green, then Julie is in the bedroom.
hypothesis: It is certain that julius is green, or Greg is green.
valid_hypothesis: It is certain that julius is green, or Greg is green.
invalid_hypothesis: Chances are slight that julius is green, or Greg is green.
hypothesis_assertion: Julius is green, or Greg is green.