    Sentence. 4: A postal >»  distribution “enter where’. four  anthrax-laced: Letters»: ‘passed.  through. .two | years, ago.- .Was.  fumigated: with chlorine, dioxide  gas as... crews wound...up. the  decontamination . process: this.  weekend :. i ‘    _Sentence: 2: Workers /cleaning ‘up  a.-postal distribution : center    where. four, letters laced with    ‘anthrax: ‘had ‘passed through: two  years, ago planned to complete         