(S (S (BASENP (NNP Discovery)) (VP (VP (VBZ is) (BASENP (DT the) (JJS oldest) (VBG surviving) (NN shuttle))) (CONJP (COMMA ,) (CC and)) (VP (VBZ has) (VP (VBN flown) (NP (BASENP (JJR more) (NNS missions)) (PP (IN than) (BASENP (DT any) (JJ other) (NN shuttle)))))))) (PERIOD .))