context: It is probably the case that Lily is yellow. It is almost certain that Greg is a swan. It is probably not the case that Brian is white.
hypothesis: It is highly unlikely that brian is white, or Lily is yellow.
valid_hypothesis: There is a very good chance that brian is white, or Lily is yellow.
invalid_hypothesis: It is highly unlikely that brian is white, or Lily is yellow.
hypothesis_assertion: Brian is white, or Lily is yellow.