(S (S (BASENP (PRP You)) (VP (MD can) (VP (VP (VB subscribe) (PP (TO to) (BASENP (NNP Google) (NNP Groups)))) (CC and) (VP (VB post) (NP (BASENP (DT a) (NN response)) (PP (TO to) (BASENP (DT a) (NN message) (NN thread)))))))) (PERIOD .))