A family consists of a father, a mother, and three children: X, Y, and Z. X is the eldest child and is a student. Y is a musician and Z is a painter. If the mother is a doctor, what can be inferred about the father's profession?

A. UNKNOWN

In a family, M is the father of N and O. P is the mother of N and O. Q is the sister of N. If O is a musician, what is Q's relationship to O?

A. SISTER

In a family, P is the father of Q, and Q is the mother of R. If R has a sister S, what is the relationship of P to S?

A. GRANDFATHER

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 of four members A, B, C, and D, A is the father of B. C is the mother of B and D is the sister of B. What is the relationship of D to A?

A. D IS A'S DAUGHTER