context: There is a very good chance that Greg is green. It is probable that John got the football. It is impossible that Yann is thirsty. It is impossible that if Yann is thirsty, or John got the football, then Bernhard is a lion. Chances are slight that if Yann is thirsty, and Greg is green, then Mary went to the office. There is a very good chance that if either John got the football, or Greg is green, then Julius is gray.
hypothesis: It is impossible that bernhard is a lion, or John got the football.
valid_hypothesis: It is probable that bernhard is a lion, or John got the football.
invalid_hypothesis: It is impossible that bernhard is a lion, or John got the football.
hypothesis_assertion: Bernhard is a lion, or John got the football.