context: There is a very good chance that Sandra left the football. Chances are slight that Bernhard is a lion. It is probably the case that Julius is green. There is almost no chance that if Bernhard is a lion, and Sandra left the football, then Lily is white. Chances are slight that if either Bernhard is a lion, or Sandra left the football, then Mary is in the cinema. We believe that if either Bernhard is a lion, or Julius is green, then Brian is a frog.
hypothesis: There is a better than even chance that bernhard is a lion, and Sandra left the football.
valid_hypothesis: There is little chance that bernhard is a lion, and Sandra left the football.
invalid_hypothesis: There is a better than even chance that bernhard is a lion, and Sandra left the football.
hypothesis_assertion: Bernhard is a lion, and Sandra left the football.