context: It is probably not the case that Julius is a rhino. We believe that Bernhard is yellow. Chances are about even that Jeff went to the office.
hypothesis: There is a better than even chance that jeff went to the office, or Julius is a rhino.
valid_hypothesis: There is a better than even chance that jeff went to the office, or Julius is a rhino.
invalid_hypothesis: It is impossible that jeff went to the office, or Julius is a rhino.
hypothesis_assertion: Jeff went to the office, or Julius is a rhino.