context: Chances are slight that Fred is in the bedroom. It is unlikely that Julius is a frog. It is probable that Bernhard is a lion. It is likely that if Bernhard is a lion, and Fred is in the bedroom, then Greg is a swan. We believe that if either Fred is in the bedroom, or Bernhard is a lion, then Mary got the milk. There is a better than even chance that if Bernhard is a lion, or Julius is a frog, then John went to the garden.
hypothesis: There is little chance that julius is a frog, or Bernhard is a lion.
valid_hypothesis: We believe that julius is a frog, or Bernhard is a lion.
invalid_hypothesis: There is little chance that julius is a frog, or Bernhard is a lion.
hypothesis_assertion: Julius is a frog, or Bernhard is a lion.