(S (S (PP (IN By) (BASENP (NNP October) (NN 31))) (COMMA ,) (S (NP (QP (RB over) (BASENP (NN 23) (NN million))) (NNS people)) (VP (VBD had) (VP (VBN voted) (PP (PP (IN by) (BASENP (NN mail))) (CC or) (PP (IN at) (BASENP (JJ early) (NN voting) (NNS locations)))))))) (PERIOD .))