context: It is probably the case that John went to the hallway. There is almost no chance that Brian is a swan. It is probably not the case that Lily is white. There is almost no chance that if either Lily is white, or John went to the hallway, then Julius is a lion. It is certain that if Lily is white, and Brian is a swan, then Mary got the football. It is probable that if Brian is a swan, and Lily is white, then Bernhard is a rhino.
hypothesis: We believe that julius is a lion, and Mary got the football.
valid_hypothesis: It is impossible that julius is a lion, and Mary got the football.
invalid_hypothesis: We believe that julius is a lion, and Mary got the football.
hypothesis_assertion: Julius is a lion, and Mary got the football.