In a family, there are two parents and three children. The father is a chef, and the mother is a nurse. If one child wants to be a chef, another wants to be a nurse, what is the profession of the third child?

C. NOT SPECIFIED

In a family, A is the brother of B, and C is the sister of B. If A is 15 years old and B is 2 years older than A, how old is C?

D. NOT SPECIFIED

In a row of 5 chairs, A is sitting to the left of B, who is sitting to the right of C. D is sitting at one of the ends. E is sitting between A and D. Who is sitting in the middle chair?

B. B

In a straight line, A is to the left of B and C is to the right of B. D is sitting at one of the ends. If E is sitting between A and D, who is sitting second from the left?

B. B

Six people A, B, C, D, E, and F are sitting in a row. A is at one end, and B is sitting next to A. C is sitting to the right of B. D is sitting to the left of E. F is sitting at the other end. Who is sitting next to C?

D. E