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. What is the sequence of their finishing?
Four friends, A, B, C, and D, have different pets: a dog, a cat, a bird, and a fish. A does not own a cat or a fish. B owns a bird. C does not own a dog. Who owns the fish?