context: We doubt that John put down the milk. It is improbable that Julius is yellow. Chances are slight that Brian is green.
hypothesis: It is probably not the case that julius is yellow, or John put down the milk.
valid_hypothesis: It is probably not the case that julius is yellow, or John put down the milk.
invalid_hypothesis: It is likely that julius is yellow, or John put down the milk.
hypothesis_assertion: Julius is yellow, or John put down the milk.