context: There is almost no chance that Bill went to the bedroom. Chances are about even that Gertrude is a wolf. It is improbable that Mary dropped the milk. Chances are about even that if either Bill went to the bedroom, or Mary dropped the milk, then Lily is yellow. There is little chance that if either Mary dropped the milk, or Gertrude is a wolf, then Julius is a swan. It is impossible that if Bill went to the bedroom, or Gertrude is a wolf, then Greg is white.
hypothesis: Chances are about even that either Gertrude is a wolf, or Greg is white.
valid_hypothesis: Chances are about even that either Gertrude is a wolf, or Greg is white.
invalid_hypothesis: There is almost no chance that either Gertrude is a wolf, or Greg is white.
hypothesis_assertion: Either Gertrude is a wolf, or Greg is white.