(S (S (BASENP (DT This)) (VP (VBZ follows) (NP (BASENP (DT a) (JJ major) (NN setback)) (SBAR (WHNP (WDT which)) (S (VP (VP (VP (VBD shut) (PRT (RP down))) (BASENP (DT the) (NN collider))) (PP (IN for) (BASENP (NN 14) (NNS months))))))))) (PERIOD .))