    Sentence 1: On April 11, Mayor Bart Peterson said it was"  inconceivable " that the airline would resume oper:  at the base that had employed 1,500 workers including  1,100 mechanics .             Sentence 2: On April11 , Mayor Bart Peterson conceded  that the facility 's“fate was inevitable , quashing the  hopes of the airline's 1,500 local workers, incliding 1,100  mechanics .        