(S (S (NP (BASENP (NNP Lech) (NNP Walesa)) (COMMA ,) (NP (BASENP (DT the) (NN founder)) (PP (IN of) (BASENP (DT the) (NNP Solidarity) (NN movement))))) (VP (VBZ has) (VP (VBN quit) (BASENP (DT the) (NN organization))))) (PERIOD .))