context: It is probable that Bernhard is yellow. There is a very good chance that Mary went to the garden. We believe that Lily is white.
hypothesis: It is highly unlikely that either Lily is white, or Bernhard is yellow.
valid_hypothesis: Chances are about even that either Lily is white, or Bernhard is yellow.
invalid_hypothesis: It is highly unlikely that either Lily is white, or Bernhard is yellow.
hypothesis_assertion: Either Lily is white, or Bernhard is yellow.