context: Chances are slight that John put down the milk. It is probable that Mary went to the bedroom. Chances are slight that Julius is green. Chances are slight that if either John put down the milk, or Mary went to the bedroom, then Jessica is a mouse. It is probably the case that if Julius is green, and Mary went to the bedroom, then Winona is a cat. It is probably not the case that if either Julius is green, or John put down the milk, then Gertrude is a sheep.
hypothesis: It is probably not the case that either Gertrude is a sheep, or Mary went to the bedroom.
valid_hypothesis: It is probable that either Gertrude is a sheep, or Mary went to the bedroom.
invalid_hypothesis: It is probably not the case that either Gertrude is a sheep, or Mary went to the bedroom.
hypothesis_assertion: Either Gertrude is a sheep, or Mary went to the bedroom.