Five books are arranged on a shelf. Book A is to the left of Book B, Book C is to the right of Book D, and Book E is to the left of Book A. What is the correct order of the books from left to right?
In a family, there are four members: A, B, C, and D. A is a doctor and is married to B. C is their son and is a lawyer. D is the daughter of A and B. What is the profession of D?
Five friends, P, Q, R, S, and T are sitting in a row. P is to the left of Q but not next to R. S is sitting next to R. T is sitting at one of the ends. Who is sitting in the middle?