context: It is unlikely that Jessica is a mouse. It is almost certain that Julius is a frog. We doubt that John discarded the milk. It is highly unlikely that if John discarded the milk, or Julius is a frog, then Sandra left the football. We believe that if Julius is a frog, or John discarded the milk, then Bill went to the hallway. It is certain that if either Julius is a frog, or Jessica is a mouse, then Bernhard is a rhino.
hypothesis: We believe that bernhard is a rhino, and Julius is a frog.
valid_hypothesis: We believe that bernhard is a rhino, and Julius is a frog.
invalid_hypothesis: Chances are slight that bernhard is a rhino, and Julius is a frog.
hypothesis_assertion: Bernhard is a rhino, and Julius is a frog.