context: It is almost certain that Bernhard is gray. There is a very good chance that Julius is a rhino. It is probable that Greg is a rhino.
hypothesis: We believe that julius is a rhino, and Bernhard is gray.
valid_hypothesis: We believe that julius is a rhino, and Bernhard is gray.
invalid_hypothesis: There is little chance that julius is a rhino, and Bernhard is gray.
hypothesis_assertion: Julius is a rhino, and Bernhard is gray.