context: Chances are slight that Yann is tired. It is unlikely that Greg is white. It is unlikely that Winona is a mouse. We doubt that if Yann is tired, or Greg is white, then John moved to the garden. Chances are slight that if either Greg is white, or Winona is a mouse, then Bill went to the kitchen. There is a better than even chance that if either Winona is a mouse, or Greg is white, then Brian is a frog.
hypothesis: It is probably the case that john moved to the garden, or Greg is white.
valid_hypothesis: We doubt that john moved to the garden, or Greg is white.
invalid_hypothesis: It is probably the case that john moved to the garden, or Greg is white.
hypothesis_assertion: John moved to the garden, or Greg is white.