context: It is probably the case that Brian is a swan. It is impossible that Bernhard is green. It is probably the case that Mary moved to the garden. We believe that if either Brian is a swan, or Bernhard is green, then John picked up the apple. It is almost certain that if Mary moved to the garden, or Bernhard is green, then Winona is a wolf. It is improbable that if Bernhard is green, or Mary moved to the garden, then Greg is white.
hypothesis: It is improbable that either Greg is white, or Mary moved to the garden.
valid_hypothesis: There is a better than even chance that either Greg is white, or Mary moved to the garden.
invalid_hypothesis: It is improbable that either Greg is white, or Mary moved to the garden.
hypothesis_assertion: Either Greg is white, or Mary moved to the garden.