Direction of rotation of a split phase motor

Direction of rotation of a split phase motor can be reversed by reversing theconnection of(a) running winding only(b) starting winding only(c) either (a) or (b)(d) both (a) and (b)Short-circuiter is used in(a) repulsion induction motor(b) repulsion motor(c) repulsion start induction run motor(d) none of the above