Directions: Study the following information to answer the given questions.
8 members of a family of 3 generations sit in a circus but not all of them sit together. A is married to S. D, who is the father of R, sits 15m to the Southeast of P, who sits 25m to the North of B. Q, who is married to the son of P, sits 60m to the West of C. A, the father-in-law of D, sits 25m to the Northeast of Q, who is the daughter of S and sits 40m to the South of S. B is the sister of D. P only has 2 children. Q has 2 children but no daughters. R sits to the West of Q in such a way that he is 10m to the South of B. P in the grandmother of C. D sits 20m to the Southwest of S.