If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C to D if C + D and D - C are true?
In a race, five participants, P1, P2, P3, P4, and P5, finished in the following order: P1 finished before P3 but after P2. P4 finished before P5 but after P3. What is the correct sequence of finishers?