In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is A's sibling, and D is the parent of A and C. Who among them is the teacher?
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?
Four friends, A, B, C, and D, are sitting in a row. A is to the left of B but to the right of C. D is not at either end. What is the correct order from left to right?