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?
In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is A's sibling, and D is the parent of A and C. Who among them is the teacher?
In a family, P is the father of Q, and R is the mother of Q. S is the sister of Q. If R is a nurse and P is an engineer, what is S's relationship to P?