context: It is impossible that Julius is a lion. It is unlikely that Mary went to the kitchen. It is certain that Winona is a mouse. There is a very good chance that if Julius is a lion, and Winona is a mouse, then Yann is tired. It is impossible that if Winona is a mouse, or Julius is a lion, then Greg is yellow. It is probable that if Winona is a mouse, or Julius is a lion, then Brian is white.
hypothesis: It is unlikely that greg is yellow, or Winona is a mouse.
valid_hypothesis: It is certain that greg is yellow, or Winona is a mouse.
invalid_hypothesis: It is unlikely that greg is yellow, or Winona is a mouse.
hypothesis_assertion: Greg is yellow, or Winona is a mouse.