context: There is a very good chance that Fred went to the cinema. It is probably the case that Bernhard is white. It is improbable that Lily is a swan. It is certain that if Bernhard is white, and Lily is a swan, then Brian is a lion. It is probable that if Fred went to the cinema, or Bernhard is white, then Julius is yellow. It is improbable that if either Bernhard is white, or Lily is a swan, then John moved to the garden.
hypothesis: It is probably not the case that either Fred went to the cinema, or Julius is yellow.
valid_hypothesis: It is probably not the case that either Fred went to the cinema, or Julius is yellow.
invalid_hypothesis: It is certain that either Fred went to the cinema, or Julius is yellow.
hypothesis_assertion: Either Fred went to the cinema, or Julius is yellow.