(S (S (S (BASENP (NNP Ms.) (NNP Graham)) (VP (VP (VBD bought) (BASENP (PRP them))) (PP (IN in) (BASENP (DT a) (NNP Sue) (NNP Ryder) (NNP charity) (NNP shop))))) (PP (IN after) (S (VP (VBG seeing) (SBAR (S (NP (BASENP (DT a) (NN member)) (PP (IN of) (NP (BASENP (NNP Thatcher) (POS 's)) (BASENP (NN staff))))) (VP (VP (VGP drop) (BASENP (PRP them))) (PP (IN in) (BASENP (DT the) (NN shop)))))))))) (PERIOD .))