(S (S (BASENP (DT The) (NN device)) (VP (VBZ appears) (S (VP (TO to) (VP (VB be) (VP (VBG running) (NP (BASENP (DT a) (JJ mobile) (NN version)) (PP (IN of) (BASENP (DT the) (NNP Apple) (NN operating) (NN system) (NNP Mac) (NNP OSX)))))))))) (PERIOD .))