context: It is certain that Winona is a sheep. It is probable that Julius is gray. It is highly likely that Bernhard is a swan.
hypothesis: There is little chance that either Bernhard is a swan, or Winona is a sheep.
valid_hypothesis: There is little chance that either Bernhard is a swan, or Winona is a sheep.
invalid_hypothesis: It is certain that either Bernhard is a swan, or Winona is a sheep.
hypothesis_assertion: Either Bernhard is a swan, or Winona is a sheep.