context: It is unlikely that Bernhard is gray. It is likely that Brian is green. It is probably not the case that Greg is a lion. It is likely that if either Bernhard is gray, or Greg is a lion, then Mary dropped the apple. It is highly likely that if Greg is a lion, and Bernhard is gray, then Lily is a swan. Chances are slight that if Greg is a lion, and Bernhard is gray, then Julius is white.
hypothesis: It is almost certain that bernhard is gray, or Greg is a lion.
valid_hypothesis: Chances are about even that bernhard is gray, or Greg is a lion.
invalid_hypothesis: It is almost certain that bernhard is gray, or Greg is a lion.
hypothesis_assertion: Bernhard is gray, or Greg is a lion.