context: It is probably the case that Greg is green. We believe that Mary went to the office. Chances are slight that Bernhard is a lion. It is highly unlikely that if Mary went to the office, and Greg is green, then Winona is a mouse. It is almost certain that if Greg is green, or Mary went to the office, then Julius is a swan. It is almost certain that if Bernhard is a lion, or Greg is green, then Sandra got the apple.
hypothesis: It is highly likely that julius is a swan, and Bernhard is a lion.
valid_hypothesis: It is improbable that julius is a swan, and Bernhard is a lion.
invalid_hypothesis: It is highly likely that julius is a swan, and Bernhard is a lion.
hypothesis_assertion: Julius is a swan, and Bernhard is a lion.