While playing musical chair, six persons, A, B, C, D, E and F, are sitting around a circular table facing outwards.
(i) B is to the immediate right of E.
(ii) If C is next to B, then A is next to E.
(iii) If A is not next to E, then A and D are on either side of C.
(iv) D is never adjacent to either E or B.
(v) C and F are not adjacent to each other.
Who among the following are always adjacent to each other?