context: It is likely that Julius is white. Chances are about even that Mary moved to the garden. Chances are about even that Gertrude is a mouse. It is unlikely that if either Julius is white, or Mary moved to the garden, then Brian is gray. There is almost no chance that if Gertrude is a mouse, or Mary moved to the garden, then Lily is yellow. It is improbable that if Julius is white, and Mary moved to the garden, then Greg is a frog.
hypothesis: It is highly unlikely that julius is white, and Greg is a frog.
valid_hypothesis: It is highly unlikely that julius is white, and Greg is a frog.
invalid_hypothesis: It is probable that julius is white, and Greg is a frog.
hypothesis_assertion: Julius is white, and Greg is a frog.