(S (S (BASENP (DT The) (NN committee)) (VP (VBZ is) (VP (VP (VBN made) (PRT (RP up))) (PP (IN of) (NP (NP (NP (BASENP (DT the) (NN two) (JJ republican) (NNS parties)) (PRN (LRB -LRB-) (NP (BASENP (NNP Sinn) (NNP Féin)) (CC and) (BASENP (NN SDLP))) (RRB -RRB-))) (COMMA ,) (NP (BASENP (DT the) (NN two) (NN unionist) (NNS parties)) (PRN (LRB -LRB-) (BASENP (NNP DUP) (CC and) (NNP UUP)) (RRB -RRB-)))) (CC and) (BASENP (DT the) (JJ non-sectarianist) (NNP Alliance) (NNP Party))))))) (PERIOD .))