context: There is a better than even chance that Bernhard is gray. Chances are about even that Julius is a rhino. It is improbable that Greg is yellow.
hypothesis: There is a very good chance that greg is yellow, and Julius is a rhino.
valid_hypothesis: It is highly unlikely that greg is yellow, and Julius is a rhino.
invalid_hypothesis: There is a very good chance that greg is yellow, and Julius is a rhino.
hypothesis_assertion: Greg is yellow, and Julius is a rhino.