context: There is little chance that Julius is yellow. It is probable that Brian is a rhino. It is likely that Greg is a swan. We doubt that if either Greg is a swan, or Brian is a rhino, then Bernhard is a frog. We doubt that if Greg is a swan, and Julius is yellow, then John discarded the apple. It is likely that if Brian is a rhino, or Greg is a swan, then Antoine is bored.
hypothesis: We believe that bernhard is a frog, or Brian is a rhino.
valid_hypothesis: We believe that bernhard is a frog, or Brian is a rhino.
invalid_hypothesis: It is unlikely that bernhard is a frog, or Brian is a rhino.
hypothesis_assertion: Bernhard is a frog, or Brian is a rhino.