In a family, there are three children: X, Y, and Z. X is the son of A, Y is the daughter of B, and Z is the daughter of A. If A and B are married, how is Y related to A?
In a family, there are three generations. X is the grandfather of Y. Y has two siblings, A and B. A is the daughter of Z, who is married to Y's mother. What is the relationship of Z to X?
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 nurse. If A is married to B and they have two children, who is the child of A and B?
In a family, R is the grandfather of T. T has one brother U and one sister V. If R has two sons, one of whom is the father of T, what is U's relationship to R?