In a family, P is the son of Q. R is the daughter of Q and S is the son of R. If Q is a teacher and S is a student, what is the relationship between P and S?

A. COUSINS

In a family of four members, A is the mother of B, C is the father of B, and D is the sister of B. If A is a scientist and C is a lawyer, what is the profession of D?

C. UNKNOWN

If A is the brother of B and C is the sister of B, what is C to A?

A. SISTER

If D is the daughter of E and F is the brother of E, what is F to D?

A. UNCLE

If G is the son of H and I is the daughter of H, what is I to G?

A. SISTER