(S (S (NP (BASENP (DT Another) (NN team)) (PRN (COMMA ,) (VP (VBN led) (PP (IN by) (NP (BASENP (NNP Dr.) (NNP Carl) (NNP Grillmair)) (PP (IN of) (NP (BASENP (NNP Spitzer) (NNP Science) (NNP Center)) (PP (IN at) (BASENP (NNP Caltech)))))))) (COMMA ,))) (VP (VBD performed) (NP (BASENP (DT a) (JJ similar) (NN study)) (PP (IN of) (NP (NP (BASENP (NNP HD) (NN 189733b)) (PRN (COMMA ,) (ADVP (BASENP (NN 63) (NNS light-years)) (RB away)) (COMMA ,))) (PP (IN in) (BASENP (DT the) (NN constellation) (NNP Vulpecula)))))))) (PERIOD .))