context: It is improbable that Brian is a lion. It is highly unlikely that Bernhard is green. It is probable that Julius is a rhino.
hypothesis: Chances are slight that julius is a rhino, or Brian is a lion.
valid_hypothesis: We believe that julius is a rhino, or Brian is a lion.
invalid_hypothesis: Chances are slight that julius is a rhino, or Brian is a lion.
hypothesis_assertion: Julius is a rhino, or Brian is a lion.