context: It is likely that Brian is a swan. There is a better than even chance that John went to the garden. There is a very good chance that Lily is a lion. There is a better than even chance that if John went to the garden, or Lily is a lion, then Julius is white. It is improbable that if Lily is a lion, or John went to the garden, then Jeff moved to the office. There is almost no chance that if Brian is a swan, and John went to the garden, then Emily is a sheep.
hypothesis: It is highly unlikely that julius is white, or Brian is a swan.
valid_hypothesis: It is highly likely that julius is white, or Brian is a swan.
invalid_hypothesis: It is highly unlikely that julius is white, or Brian is a swan.
hypothesis_assertion: Julius is white, or Brian is a swan.