(S (S (BASENP (PRPD Its) (JJ main) (NN task)) (VP (ADVP (RB however)) (VP (VBZ is) (S (VP (TO to) (VP (VB help) (S (VP (VB set) (NP (BASENP (DT a) (NN roadmap)) (PP (IN for) (NP (BASENP (JJ devolved) (NN government)) (PP (IN in) (BASENP (NNP Northern) (NNP Ireland)))))))))))))) (PERIOD .))