(S (S (PP (IN After) (NP (NP (BASENP (DT a) (JJ brief) (NN period)) (PP (IN of) (BASENP (NN independence)))) (PP (VBG following) (BASENP (DT the) (JJ Russian) (NN revolution))))) (COMMA ,) (S (BASENP (DT the) (NNP Red) (NNP Army)) (VP (VP (VBD forced) (S (BASENP (NNP Georgia)) (VP (TO to) (VP (VB join) (BASENP (DT the) (NNP Soviet) (NNP Union)))))) (PP (IN in) (BASENP (NN 1922)))))) (PERIOD .))