context: It is highly unlikely that Lily is white. It is impossible that Brian is yellow. There is a very good chance that Greg is a frog.
hypothesis: It is almost certain that brian is yellow, or Lily is white.
valid_hypothesis: It is highly unlikely that brian is yellow, or Lily is white.
invalid_hypothesis: It is almost certain that brian is yellow, or Lily is white.
hypothesis_assertion: Brian is yellow, or Lily is white.