context: We doubt that Lily is a swan. There is almost no chance that John dropped the milk. It is almost certain that Brian is yellow.
hypothesis: It is probably not the case that brian is yellow, or Lily is a swan.
valid_hypothesis: It is almost certain that brian is yellow, or Lily is a swan.
invalid_hypothesis: It is probably not the case that brian is yellow, or Lily is a swan.
hypothesis_assertion: Brian is yellow, or Lily is a swan.