context: It is probably not the case that Brian is a rhino. It is unlikely that Julius is green. It is probably the case that Bernhard is gray.
hypothesis: Chances are slight that julius is green, and Bernhard is gray.
valid_hypothesis: Chances are slight that julius is green, and Bernhard is gray.
invalid_hypothesis: It is almost certain that julius is green, and Bernhard is gray.
hypothesis_assertion: Julius is green, and Bernhard is gray.