context: We believe that Lily is a rhino. Chances are slight that Winona is a mouse. It is certain that Greg is yellow.
hypothesis: It is probably not the case 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 probably not the case that greg is yellow, or Winona is a mouse.
hypothesis_assertion: Greg is yellow, or Winona is a mouse.