context: There is little chance that Julius is a swan. There is a better than even chance that John went to the hallway. It is highly likely that Bernhard is a frog. It is probable that if Julius is a swan, and John went to the hallway, then Daniel got the football. It is improbable that if Bernhard is a frog, and Julius is a swan, then Brian is a lion. It is impossible that if Bernhard is a frog, and Julius is a swan, then Emily is a mouse.
hypothesis: We believe that either Daniel got the football, or Brian is a lion.
valid_hypothesis: It is highly unlikely that either Daniel got the football, or Brian is a lion.
invalid_hypothesis: We believe that either Daniel got the football, or Brian is a lion.
hypothesis_assertion: Either Daniel got the football, or Brian is a lion.