(S (S (BASENP (DT The) (NNP Mets)) (VP (VBP have) (VP (VP (VBN played) (PP (IN at) (BASENP (NNP Shea) (NNP Stadium)))) (PP (IN since) (NP (BASENP (NN 1964)) (COMMA ,) (NP (NP (BASENP (DT the) (NN team) (POS 's)) (BASENP (JJ third) (NN year))) (PP (IN in) (BASENP (DT the) (NN league))))))))) (PERIOD .))