Direction: Study the following information carefully and answer the questions given below:

There are eight members D, G, L, M, R, S, V, and O in a family, which consists of three generations. Also, there are three married couples in the family.

G is the only daughter of S. M is married to the sister of D. L is the son of R, who has no siblings. S is the husband of the daughter-in-law of M. O is the sister-in-law of the grandmother of G.