Answer the questions based on the information given below. Seven persons (M, N, O, P, Q, R and S) belong to a family of three generations. No single person is a parent in the family. R is mother-in-law of M. O is married to mother of S. M, who belongs to second generation, has one son and one daughter. R has one son and one daughter. N is unmarried but doesn’t belong to third generation. Q is a female. S belongs to third generation.
