context: There is almost no chance that Sandra left the football. It is unlikely that Julius is green. It is unlikely that Greg is yellow. Chances are slight that if Julius is green, and Sandra left the football, then Winona is a cat. We doubt that if Greg is yellow, or Sandra left the football, then Jeff discarded the apple. There is almost no chance that if Sandra left the football, or Julius is green, then Bernhard is a swan.
hypothesis: It is unlikely that greg is yellow, or Winona is a cat.
valid_hypothesis: It is unlikely that greg is yellow, or Winona is a cat.
invalid_hypothesis: It is probably the case that greg is yellow, or Winona is a cat.
hypothesis_assertion: Greg is yellow, or Winona is a cat.