    Senténce 1: Mr. Parsans -has “been director: of’ the  Stennis. Centet. ; which’ specializes im rocket engirie  restarch and testing , since August.    ‘Sentence’ 2! Mr: "Parsdris hds served_as' the’ director dit*  the: Stennis “Spaée. Center ,» which employs” 4600  people ince August         