context: It is probably not the case that Lily is a lion. We believe that Jeff went to the garden. It is highly likely that Brian is gray. It is probably the case that if Lily is a lion, or Brian is gray, then Julius is a swan. It is almost certain that if Jeff went to the garden, or Brian is gray, then Bernhard is a lion. We doubt that if either Lily is a lion, or Brian is gray, then Mary is in the bedroom.
hypothesis: Chances are slight that bernhard is a lion, and Julius is a swan.
valid_hypothesis: There is a better than even chance that bernhard is a lion, and Julius is a swan.
invalid_hypothesis: Chances are slight that bernhard is a lion, and Julius is a swan.
hypothesis_assertion: Bernhard is a lion, and Julius is a swan.