context: It is almost certain that Bernhard is a lion. Chances are about even that Mary took the apple. Chances are about even that Julius is a rhino. It is likely that if either Mary took the apple, or Bernhard is a lion, then Lily is a swan. It is probable that if Mary took the apple, or Julius is a rhino, then Sandra left the milk. It is highly unlikely that if Julius is a rhino, or Bernhard is a lion, then John went to the bedroom.
hypothesis: It is almost certain that sandra left the milk, and John went to the bedroom.
valid_hypothesis: There is almost no chance that sandra left the milk, and John went to the bedroom.
invalid_hypothesis: It is almost certain that sandra left the milk, and John went to the bedroom.
hypothesis_assertion: Sandra left the milk, and John went to the bedroom.