context: We doubt that Brian is a frog. There is a better than even chance that Julius is green. It is certain that Sandra got the milk. We believe that if either Sandra got the milk, or Brian is a frog, then Mary went to the hallway. There is a very good chance that if Sandra got the milk, or Julius is green, then Gertrude is a mouse. It is probable that if Sandra got the milk, or Brian is a frog, then Bernhard is a rhino.
hypothesis: There is almost no chance that either Julius is green, or Sandra got the milk.
valid_hypothesis: Chances are about even that either Julius is green, or Sandra got the milk.
invalid_hypothesis: There is almost no chance that either Julius is green, or Sandra got the milk.
hypothesis_assertion: Either Julius is green, or Sandra got the milk.