(S (S (BASENP (DT The) (NN two) (NNS candidates)) (VP (VP (VP (VP (VBD were) (PP (IN in) (BASENP (NNP Maine)))) (BASENP (NN today))) (S (VP (VP (VBG doing) (NP (BASENP (JJ last) (NN minute) (NN campaigning)) (PP (IN before) (NP (BASENP (NN tomorrow) (POS 's)) (BASENP (JJ Democratic) (NNS caucuses)))))) (ADVP (RB there))))) (CC and) (VP (VBP are) (VP (ADVP (RB also)) (VP (VBG preparing) (PP (IN for) (NP (NP (DT the) (QT (DQL ``) (BASENP (NNP Potomac) (NN primary)) (DQR ''))) (SBAR (WHNP (WDT which)) (S (VP (MD will) (VP (VP (VB involve) (NP (NP (NP (BASENP (DT the) (NN nation) (POS 's)) (NN capital)) (PP (IN of) (NP (BASENP (NNP Washington)) (COMMA ,) (BASENP (NNP D.C.))))) (CC and) (NP (BASENP (DT the) (JJ bordering) (NNS states)) (PP (IN of) (BASENP (NNP Maryland) (CC and) (NNP Virginia)))))) (S (VP (TO to) (VP (VB be) (VP (VBN held) (PP (IN on) (BASENP (NNP February) (NN 12)))))))))))))))))) (PERIOD .))