(S (S (NP (BASENP (NNP Colin) (NNP Granderson)) (PRN (COMMA ,) (NP (BASENP (NN head)) (PP (IN of) (NP (NP (NP (BASENP (NNP Organization)) (PP (IN of) (BASENP (JJ American) (NNPS States)))) (PRN (LRB -LRB-) (BASENP (NNP OAS)) (RRB -RRB-))) (BASENP (NN observer) (NN mission))))) (COMMA ,))) (VP (VBD said) (SBAR (S (BASENP (DT the) (NN runoff) (NN election)) (VP (VBD was) (NP (BASENP (DT a) (JJ great) (NN improvement)) (PP (IN over) (BASENP (DT the) (JJ previous) (NN one))))))))) (PERIOD .))