context: It is highly likely that Greg is a rhino. It is improbable that Bernhard is yellow. There is a better than even chance that Julius is a swan. It is likely that if either Julius is a swan, or Greg is a rhino, then Sandra grabbed the apple. It is highly unlikely that if Bernhard is yellow, and Julius is a swan, then John went to the hallway. There is almost no chance that if Bernhard is yellow, or Julius is a swan, then Gertrude is a mouse.
hypothesis: It is highly likely that john went to the hallway, or Greg is a rhino.
valid_hypothesis: It is highly likely that john went to the hallway, or Greg is a rhino.
invalid_hypothesis: Chances are slight that john went to the hallway, or Greg is a rhino.
hypothesis_assertion: John went to the hallway, or Greg is a rhino.