context: It is probably not the case that Bernhard is a rhino. There is a very good chance that Julius is a swan. Chances are slight that Fred went to the kitchen.
hypothesis: There is almost no chance that bernhard is a rhino, and Fred went to the kitchen.
valid_hypothesis: There is almost no chance that bernhard is a rhino, and Fred went to the kitchen.
invalid_hypothesis: It is probable that bernhard is a rhino, and Fred went to the kitchen.
hypothesis_assertion: Bernhard is a rhino, and Fred went to the kitchen.