. . . "A State_of_affairs is evaluated as good (or bad), against a background assumption that previously, the State_of_affairs was thought to be unlikely to occur. The State_of_affairs holds for a particular Protagonist."^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .