premise: A professor must determine the order in which five of her students—Fernando, Ginny, Hakim, Juanita, and Kevin—will perform in an upcoming piano recital. Each student performs one piece, and no two performances overlap. The following constraints apply: Ginny must perform earlier than Fernando. Kevin must perform earlier than Hakim and Juanita. Hakim must perform either immediately before or immediately after Fernando. If Juanita performs earlier than Ginny, then which one of the following could be true?
hypothesis: Fernando performs fourth.