A is sister of B. How are B and D related to each other ?
I. D is brother of B.
II. F is sister of D.

Give answer (A) if the data in statements I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

Give answer (B) if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Give answer (C) if the data either in statement I alone or in statement II alone are sufficient to answer the question.

Give answer (D) if the data given in both statements I and II together are not sufficient to answer the question.

Give answer (E) if the data in both the statements I & II together are necessary to answer the question.