On the ABC Soap Opera, General Hospital, head boss Sonny Corinthos is told by his adoptive son, Michael, that one of his loyal and valued employees, Dominic, is actually an undercover cop. Sonny’s hit man Jason begins asking Sonny’s other employees, including the maid, about Dominic. Sonny’s maid tells Jason that Dominic is a nice guy who even helped her clean the fireplace one time. Later, Jason’s tech guy, Spinelli discovers that the cops have a silk shirt of Sonny’s pulled from Sonny’s fireplace, which ties Sonny to a recent murder. Using Michael’s testimony, the maid’s remarks about Dominic, and Spinelli’s findings about the silk shirt, Jason concludes that Dominic is an undercover cop. What method of reasoning does Jason use to reach this conclusion?