context: There is little chance that Julius is white. It is unlikely that Brian is gray. It is certain that Sandra grabbed the milk. It is probably the case that if Sandra grabbed the milk, and Brian is gray, then Mary went to the office. We believe that if either Brian is gray, or Sandra grabbed the milk, then Bernhard is a lion. It is probably the case that if Julius is white, or Sandra grabbed the milk, then Lily is gray.
hypothesis: There is a better than even chance that either Julius is white, or Bernhard is a lion.
valid_hypothesis: There is a better than even chance that either Julius is white, or Bernhard is a lion.
invalid_hypothesis: Chances are slight that either Julius is white, or Bernhard is a lion.
hypothesis_assertion: Either Julius is white, or Bernhard is a lion.