(S (S (PP (IN During) (BASENP (DT the) (NN 2008) (NNP Republican) (NNS primaries))) (COMMA ,) (S (BASENP (NNP Johnson)) (VP (VBD endorsed) (NP (BASENP (DT the) (NN candidacy)) (PP (IN of) (NP (BASENP (NNP Congressman) (NNP Ron) (NNP Paul)) (COMMA ,) (NP (BASENP (DT the) (NNP Libertarian) (NNP Party) (POS 's)) (BASENP (NN 1988) (JJ presidential) (NN nominee))))))))) (PERIOD .))