Direction: Read the following information carefully and answer the question that follow:
There are 6 members of a family in a gathering – P, Q, R, S, T and U. R is father of S and married to Q. T is sister in law of U who is a female. P is daughter of S. S is not married to T. Q has one daughter and one son.
Who is the grandmother of P?

Options

A. S
B. U
C. Q
D. R