(S (S (BASENP (JJ Former) (NNP New) (NNP Mexico) (NN governor) (NNP Gary) (NNP Johnson)) (VP (VP (VBD received) (NP (BASENP (DT the) (NN 2012) (JJ presidential) (NN nomination)) (PP (IN of) (BASENP (DT the) (NNP U.S.) (NNP Libertarian) (NNP Party))))) (PP (IN at) (NP (NP (BASENP (NNP Saturday) (POS 's)) (BASENP (NNP Libertarian) (NNP National) (NNP Convention))) (PP (IN in) (NP (BASENP (NNP Las) (NNP Vegas)) (COMMA ,) (BASENP (NNP Nevada)))))))) (PERIOD .))