context: We doubt that Bill went to the hallway. It is probably not the case that Julius is a swan. It is likely that Greg is a lion. It is probable that if Bill went to the hallway, or Greg is a lion, then John discarded the milk. It is likely that if either Julius is a swan, or Greg is a lion, then Sandra left the football. There is a better than even chance that if Greg is a lion, or Julius is a swan, then Bernhard is a frog.
hypothesis: We believe that bernhard is a frog, or Greg is a lion.
valid_hypothesis: We believe that bernhard is a frog, or Greg is a lion.
invalid_hypothesis: There is little chance that bernhard is a frog, or Greg is a lion.
hypothesis_assertion: Bernhard is a frog, or Greg is a lion.