A family consists of a father, a mother, and two children. The father is a lawyer, the mother is a nurse, and one child is a student while the other is a musician. Who is the musician?

C. ONE OF THE CHILDREN

In a family, there are three generations: X is the grandfather of Y, and Y is the father of Z. If W is the sister of Y, how is W related to X?

B. GRANDDAUGHTER

In a family, there are three children: X, Y, and Z. X is the brother of Y, and Y is the sister of Z. How is Z related to X?

D. SIBLING

In a family of five members A, B, C, D, and E, A is the father of B. C is the mother of B and D is the brother of B. E is the sister of D. How is E related to A?

A. DAUGHTER

A family consists of a mother, a father, and three children: P, Q, and R. P is the eldest child and is a doctor. Q is a teacher and is younger than P but older than R. What is R's profession if all children have different professions?

A. ENGINEER