context: Chances are slight that John went to the office. It is probable that Brian is a swan. It is almost certain that Lily is a rhino. It is probable that if John went to the office, or Lily is a rhino, then Julius is a lion. It is almost certain that if John went to the office, and Lily is a rhino, then Winona is a wolf. It is almost certain that if Brian is a swan, and John went to the office, then Bernhard is white.
hypothesis: It is almost certain that lily is a rhino, or Bernhard is white.
valid_hypothesis: It is almost certain that lily is a rhino, or Bernhard is white.
invalid_hypothesis: There is almost no chance that lily is a rhino, or Bernhard is white.
hypothesis_assertion: Lily is a rhino, or Bernhard is white.