context: It is almost certain that Daniel left the football. It is probably not the case that Sumit is thirsty. It is highly likely that Brian is white. It is unlikely that if Daniel left the football, and Sumit is thirsty, then Bernhard is gray. It is likely that if either Daniel left the football, or Sumit is thirsty, then Greg is a lion. It is highly likely that if Sumit is thirsty, and Brian is white, then Winona is a mouse.
hypothesis: It is improbable that greg is a lion, or Brian is white.
valid_hypothesis: It is almost certain that greg is a lion, or Brian is white.
invalid_hypothesis: It is improbable that greg is a lion, or Brian is white.
hypothesis_assertion: Greg is a lion, or Brian is white.