In a family, there are four members: P, Q, R, and S. P is the father of Q, Q is the mother of R, and S is the sibling of R. What is the relationship between P and S?
In a family, there are two sisters, Anna and Bella, and their brother, Charlie. Anna loves painting, Bella loves dancing, and Charlie is a football player. If Bella is older than Anna, who is the youngest?
A family consists of a father, a mother, and two children. The father is a lawyer, and the mother is a teacher. If one child wants to be a doctor and the other a musician, which profession is not represented in the parents' professions?