1. Is A brother of B ?
I. D is mother of B and B is son of C. C is father of A.
II. B is sister of A and F is brother of A.
(A): if the data in statement I alone are sufficient to answer thevquestion, while the data in statement I alone are not sufficient to answer the question. (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. (C): if the data either in statement I alone or in statement II alone are sufficient to answer the question. (D): if the data even in both statements I and II together are not sufficient to answer the question. (E): if the data in both statements I and II together are necessary to answer the question.
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