(S (S (BASENP (DT The) (NN launch)) (VP (VP (VBD was) (VP (ADVP (RB originally)) (VP (VBN scheduled) (PP (IN for) (BASENP (DT this) (JJ past) (NNP Monday)))))) (CONJP (COMMA ,) (CC but)) (VP (VBD was) (VP (VP (VBN delayed) (BASENP (NN two) (NNS days))) (PP (IN because) (PP (IN of) (NP (NP (BASENP (NN helium) (CC and) (NN nitrogen)) (NNS leaks)) (PP (IN on) (BASENP (JJ board) (DT the) (NN shuttle)))))))))) (PERIOD .))