Six friends, A, B, C, D, E and F are sitting along the sides of a hexagonal table for playing a game, though not necessarily in the same order. F, who is sitting exactly opposite of A, is to the immediate right of B. D is between A and B and is exactly opposite of C.
Four of the following pairs are alike in a certain way on the basis of sitting positions and so form a group. Which is the one that does not belong to the group?
1) A, D
2) B, C
3) B, F
4) C, E
5) None of these

Explanation

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