context: It is probable that Greg is a swan. It is almost certain that Winona is a wolf. Chances are slight that Mary left the apple.
hypothesis: It is highly likely that either Mary left the apple, or Winona is a wolf.
valid_hypothesis: It is highly likely that either Mary left the apple, or Winona is a wolf.
invalid_hypothesis: There is almost no chance that either Mary left the apple, or Winona is a wolf.
hypothesis_assertion: Either Mary left the apple, or Winona is a wolf.