In the Smith family, John is a doctor and has two siblings: Alice, who is a teacher, and Bob, who is a lawyer. If Alice has a son named Tim, what is Tim's relationship to John?
A family consists of a grandfather, a father, a mother, and two children. The grandfather's only son is the father. The mother is the wife of the father. How many generations are there in this family?
In a family, there are two brothers and one sister. The sister is a doctor, and one brother is a lawyer. If the other brother is not a lawyer, what is his profession?
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?