context: It is probably not the case that Julius is a frog. Chances are about even that Bernhard is white. Chances are about even that Bill went to the bedroom. It is highly unlikely that if Bill went to the bedroom, and Julius is a frog, then Jessica is a mouse. There is a better than even chance that if either Julius is a frog, or Bill went to the bedroom, then Mary put down the milk. There is almost no chance that if Bill went to the bedroom, or Bernhard is white, then Brian is a lion.
hypothesis: There is a better than even chance that bill went to the bedroom, or Julius is a frog.
valid_hypothesis: There is a better than even chance that bill went to the bedroom, or Julius is a frog.
invalid_hypothesis: It is improbable that bill went to the bedroom, or Julius is a frog.
hypothesis_assertion: Bill went to the bedroom, or Julius is a frog.