 Complete the following phrase:  In spring 733, however, Said was rehabilitated and appointed in turn as governor of Armenia and Adharbayjan, following the somewhat lacklustre performance of Maslama and another Umayyad prince, Marwan ibn Muhammad the future Marwan II, against the Khazars over the previous years. Nevertheless, for the duration of Said tenure, he remained on the defensive, possibly as a result of the exhaustion of his troops in the 