context: It is improbable that Bernhard is a frog. We believe that Mary dropped the milk. Chances are slight that Sandra got the football. It is certain that if Sandra got the football, or Bernhard is a frog, then Jeff went to the garden. It is certain that if either Bernhard is a frog, or Sandra got the football, then Winona is a wolf. It is highly unlikely that if Bernhard is a frog, or Mary dropped the milk, then Brian is yellow.
hypothesis: It is highly likely that either Brian is yellow, or Winona is a wolf.
valid_hypothesis: It is unlikely that either Brian is yellow, or Winona is a wolf.
invalid_hypothesis: It is highly likely that either Brian is yellow, or Winona is a wolf.
hypothesis_assertion: Either Brian is yellow, or Winona is a wolf.