    Sentence 1: On April 11 , Mayor Bart Peterson    sa 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              