context: It is almost certain that John went to the office. It is impossible that Bernhard is white. It is likely that Brian is a lion. It is impossible that if either Brian is a lion, or Bernhard is white, then Jessica is a mouse. There is a better than even chance that if Bernhard is white, or John went to the office, then Gertrude is a wolf. It is highly likely that if either Brian is a lion, or Bernhard is white, then Sandra got the milk.
hypothesis: It is almost certain that bernhard is white, or John went to the office.
valid_hypothesis: It is almost certain that bernhard is white, or John went to the office.
invalid_hypothesis: Chances are about even that bernhard is white, or John went to the office.
hypothesis_assertion: Bernhard is white, or John went to the office.