context: It is certain that Gertrude is a sheep. There is a better than even chance that John moved to the garden. It is likely that Bernhard is gray. It is highly likely that if either Gertrude is a sheep, or John moved to the garden, then Brian is a swan. It is probable that if John moved to the garden, or Gertrude is a sheep, then Julius is a rhino. It is probably not the case that if Bernhard is gray, or Gertrude is a sheep, then Greg is yellow.
hypothesis: We believe that either Greg is yellow, or Gertrude is a sheep.
valid_hypothesis: We believe that either Greg is yellow, or Gertrude is a sheep.
invalid_hypothesis: There is almost no chance that either Greg is yellow, or Gertrude is a sheep.
hypothesis_assertion: Either Greg is yellow, or Gertrude is a sheep.