context: It is highly unlikely that Brian is yellow. There is little chance that Julius is gray. It is improbable that Bernhard is a frog.
hypothesis: It is unlikely that either Julius is gray, or Bernhard is a frog.
valid_hypothesis: It is unlikely that either Julius is gray, or Bernhard is a frog.
invalid_hypothesis: It is likely that either Julius is gray, or Bernhard is a frog.
hypothesis_assertion: Either Julius is gray, or Bernhard is a frog.