context: It is likely that Jessica is a sheep. We believe that John put down the milk. It is probable that Bernhard is gray. It is impossible that if Jessica is a sheep, or John put down the milk, then Brian is a swan. Chances are about even that if either John put down the milk, or Jessica is a sheep, then Mary moved to the office. There is a better than even chance that if either Jessica is a sheep, or Bernhard is gray, then Lily is a rhino.
hypothesis: There is a better than even chance that either Bernhard is gray, or Mary moved to the office.
valid_hypothesis: There is a better than even chance that either Bernhard is gray, or Mary moved to the office.
invalid_hypothesis: There is almost no chance that either Bernhard is gray, or Mary moved to the office.
hypothesis_assertion: Either Bernhard is gray, or Mary moved to the office.