context: It is improbable that Lily is a swan. We believe that Julie is in the bedroom. It is highly likely that Brian is white. It is probably the case that if Brian is white, or Lily is a swan, then Jeff dropped the apple. There is a very good chance that if Julie is in the bedroom, or Brian is white, then John moved to the office. It is probably the case that if either Brian is white, or Julie is in the bedroom, then Greg is gray.
hypothesis: There is almost no chance that either Lily is a swan, or Julie is in the bedroom.
valid_hypothesis: It is probable that either Lily is a swan, or Julie is in the bedroom.
invalid_hypothesis: There is almost no chance that either Lily is a swan, or Julie is in the bedroom.
hypothesis_assertion: Either Lily is a swan, or Julie is in the bedroom.