context: Chances are slight that Greg is gray. We believe that John moved to the garden. It is likely that Lily is white. It is almost certain that if either Greg is gray, or John moved to the garden, then Emily is a mouse. It is impossible that if either Lily is white, or Greg is gray, then Bernhard is gray. It is probable that if Lily is white, and Greg is gray, then Brian is a lion.
hypothesis: It is likely that either Greg is gray, or Emily is a mouse.
valid_hypothesis: It is likely that either Greg is gray, or Emily is a mouse.
invalid_hypothesis: Chances are slight that either Greg is gray, or Emily is a mouse.
hypothesis_assertion: Either Greg is gray, or Emily is a mouse.