    Sentence’ 1: " It's probably not:  the-easiest time to’come in and  ‘take over. the’ shuttle’ program ,  but~..I look: forward’. ‘to .:.the  challenge ~~, °°’. Parsons: <-told  reporters at NASA headquarters «    Sentence 2: "It's probably not  the. easiest time- to come in ‘and  take: over the shuttle program |, ."  Mr. -Parsons “said at’ a news  conference ‘at NASA headquarters