In a coded relation, if P × Q means P is the father of Q, P + Q means P is the daughter of Q, and P - Q means P is the son of Q, what is the relationship of R if P × R + Q?
In a race, five runners, P, Q, R, S, and T finished in the following order: P finished before Q but after R. S finished before T but after Q. What is the correct sequence of their finishing?