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What is the correct answer?


 B is the brother of A. How is A related to B ?
    (I) A is the sister of C.
    (II) E is the husband of A.

A. I alone is sufficient while II alone is not sufficient

B. II alone is sufficient while I alone is not sufficient

C. Either I or II is sufficient

D. Neither I nor II is sufficient

E. Both I and II are sufficient