General Studies · Circular Seating Arrangement

Seven students, A, N, X, I, O, U and S, are sitting around a circular table, facing the centre. Only three people sit between I and X when counted from the left of X. Only three people sit between S and N when counted from the right of N. A sits to the immediate right of S. O is an immediate neighbour of both N and U. Who sits immediately to the right of U?