context: It is likely that Greg is gray. It is probably not the case that Julius is a rhino. It is unlikely that Sandra got the apple.
hypothesis: We believe that julius is a rhino, or Greg is gray.
valid_hypothesis: We believe that julius is a rhino, or Greg is gray.
invalid_hypothesis: We doubt that julius is a rhino, or Greg is gray.
hypothesis_assertion: Julius is a rhino, or Greg is gray.