(S (S (BASENP (NNS Voters)) (VP (VP (VP (MD will) (RB not)) (VP (VB be) (VP (VBN forced) (S (VP (TO to) (VP (VP (VB complete) (BASENP (NNS ballots))) (PP (IN with) (BASENP (DT a) (NN rubber) (NN stamp))))))))) (CC and) (VP (MD may) (VP (ADVP (RB instead)) (VP (VB use) (BASENP (DT a) (NN pen))))))) (PERIOD .))