In a family of six members A, B, C, D, E, and F, there are two males and four females. A is a doctor, B is a teacher, C is the mother of D, D is the son of E, and F is the sister of A. Who is the male member in the family?

D. E

Five people P, Q, R, S, and T are sitting in a line. P is to the right of Q but to the left of R. S is sitting at one of the ends. T is sitting next to S. Who is sitting at the other end?

C. R

In a group of five people A, B, C, D, and E, A is taller than B but shorter than C. D is shorter than E. If E is the tallest, who is the second tallest?

C. C

A, B, C, D, and E are seated in a row. A is to the left of C but not next to D. E is sitting next to D. Who is sitting at the extreme right?

D. E

In a race, five runners A, B, C, D, and E finish in the following order: A finishes before B but after C. D finishes before E but after B. What is the correct order of finishers?

A. C, A, B, D, E