In a family, there are four members: P, Q, R, and S. P is the grandfather of R. Q is the sister of R and the daughter of S. What is the relationship of S to P?

C. WIFE

Bird is to Fly as Fish is to ?

A. SWIM

Teacher is to Educate as Doctor is to ?

A. HEAL

In a family of five members A, B, C, D, and E, A is a doctor, B is a teacher, C is a lawyer, D is E's mother, and E is a student. Who is the father?

A. A

In a family, there are three siblings: X, Y, and Z. X is older than Y but younger than Z. If Z is a doctor and Y is a teacher, what is X's profession?

D. UNKNOWN