Who is C's partner in a game of cards involving four players A. B, C and D ? I. D is sitting opposite to A. II. B is sitting right of A and left of D.

• If the data in statement I alone are sufficient to answer the question
• If the data in statement II alone are sufficient answer the question
• If the data either in I or II alone are sufficient to answer the question;
• If the data even in both the statements together are not sufficient to answer the question