context: It is probably not the case that Daniel left the milk. We believe that Julius is a rhino. It is highly likely that Greg is a swan.
hypothesis: There is a very good chance that julius is a rhino, or Daniel left the milk.
valid_hypothesis: There is a very good chance that julius is a rhino, or Daniel left the milk.
invalid_hypothesis: Chances are slight that julius is a rhino, or Daniel left the milk.
hypothesis_assertion: Julius is a rhino, or Daniel left the milk.