In a family of five members: P, Q, R, S, and T, P is the father of Q, Q is the mother of R, and S is the sister of T. If T is the son of P, who is R's grandmother?
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 the mother of C and D is the brother of C, what is B's relationship to D?
In a family, there are three siblings: A, B, and C. A is older than B, and B is older than C. If C is 10 years old, how old is A if the age difference between each sibling is 2 years?
In a family, the father is a banker, the mother is a chef, and they have two daughters. One daughter loves painting, and the other loves sports. If the daughter who loves painting is named Lisa, what is the name of the other daughter?