context: It is likely that Bernhard is green. Chances are slight that Brian is white. It is highly unlikely that Sumit is bored. Chances are about even that if Brian is white, or Sumit is bored, then Greg is a lion. There is a better than even chance that if Bernhard is green, or Sumit is bored, then John left the apple. It is highly unlikely that if Brian is white, or Bernhard is green, then Antoine is hungry.
hypothesis: It is certain that either Antoine is hungry, or Greg is a lion.
valid_hypothesis: There is little chance that either Antoine is hungry, or Greg is a lion.
invalid_hypothesis: It is certain that either Antoine is hungry, or Greg is a lion.
hypothesis_assertion: Either Antoine is hungry, or Greg is a lion.