context: It is impossible that Brian is a rhino. It is probable that Julius is a swan. It is highly likely that Lily is white. It is certain that if either Lily is white, or Julius is a swan, then Sandra got the apple. There is a better than even chance that if either Lily is white, or Julius is a swan, then Bernhard is a frog. There is a very good chance that if Brian is a rhino, and Lily is white, then Bill left the milk.
hypothesis: It is almost certain that lily is white, or Bernhard is a frog.
valid_hypothesis: It is almost certain that lily is white, or Bernhard is a frog.
invalid_hypothesis: It is probably not the case that lily is white, or Bernhard is a frog.
hypothesis_assertion: Lily is white, or Bernhard is a frog.