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