context: It is unlikely that Sandra left the football. We believe that Mary took the apple. There is a better than even chance that Winona is a sheep.
hypothesis: It is improbable that sandra left the football, or Winona is a sheep.
valid_hypothesis: It is probable that sandra left the football, or Winona is a sheep.
invalid_hypothesis: It is improbable that sandra left the football, or Winona is a sheep.
hypothesis_assertion: Sandra left the football, or Winona is a sheep.