context: It is probable that Winona is a wolf. It is probable that Bernhard is a swan. There is little chance that Gertrude is a sheep.
hypothesis: Chances are about even that either Winona is a wolf, or Bernhard is a swan.
valid_hypothesis: Chances are about even that either Winona is a wolf, or Bernhard is a swan.
invalid_hypothesis: It is almost certain that either Winona is a wolf, or Bernhard is a swan.
hypothesis_assertion: Either Winona is a wolf, or Bernhard is a swan.