    Sentence 1: He died in a ferryboat accident on  Lake Victoria just a few days affer Bin Ladin  arrived in Jalalabad, leaving Bin Ladin with a  need fo replace him not only in the Shura but also  as supervisor of the cells and prospective  operations in East Africa.    Sentence 2: Bin Ladin kidnapped a man riding on  Lake Victoria to use him in the Shura.