context: Chances are about even that Bernhard is a lion. It is almost certain that John picked up the apple. We believe that Julius is a rhino.
hypothesis: It is certain that john picked up the apple, or Julius is a rhino.
valid_hypothesis: It is certain that john picked up the apple, or Julius is a rhino.
invalid_hypothesis: There is almost no chance that john picked up the apple, or Julius is a rhino.
hypothesis_assertion: John picked up the apple, or Julius is a rhino.