context: It is almost certain that John moved to the office. We believe that Bernhard is a swan. We doubt that Julius is gray. We doubt that if either Julius is gray, or John moved to the office, then Sandra got the football. It is improbable that if Bernhard is a swan, or Julius is gray, then Mary left the apple. It is likely that if Bernhard is a swan, and John moved to the office, then Lily is a rhino.
hypothesis: It is probable that either Lily is a rhino, or Bernhard is a swan.
valid_hypothesis: It is probably not the case that either Lily is a rhino, or Bernhard is a swan.
invalid_hypothesis: It is probable that either Lily is a rhino, or Bernhard is a swan.
hypothesis_assertion: Either Lily is a rhino, or Bernhard is a swan.