In a family, there are three sons: X, Y, and Z. X is the eldest son and Y is the youngest. Z is the only son who is married. If Z has two daughters, what is the relationship of Y to Z's daughters?
A is married to B. They have two children, C and D. C is a doctor, and D is a lawyer. If B is a teacher, what is A's profession if it is known that one parent is not in a profession related to education or law?
In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is a lawyer, and D is a student. If A is married to B and they have one child, who is C's sibling?