(S (S (BASENP (NNP Thomas)) (VP (VP (VBZ has) (VP (VP (VBN been) (BASENP (DT a) (NN correspondent))) (PP (IN for) (BASENP (QP (RB over) (NN fifty)) (NNS years))))) (CC and) (VP (VBZ has) (VP (VBN covered) (NP (BASENP (DT every) (NN president)) (PP (PP (IN from) (BASENP (NNP John) (NNP F.) (NNP Kennedy))) (PP (TO to) (BASENP (NNP Obama))))))))) (PERIOD .))