(S (S (NP (BASENP (PRP It) (POS 's)) (NN future)) (VP (VP (VP (VBZ is) (PRN (COMMA ,) (PP (IN as) (ADVP (RB always))) (COMMA ,))) (PP (IN in) (BASENP (NN doubt)))) (PP (JJ due) (PP (TO to) (NP (BASENP (DT the) (NN amount)) (PP (IN of) (NP (BASENP (NN work)) (PP (PP (IN for) (BASENP (NNS organisers) (CC and) (NNS volunteers))) (COMMA ,) (PP (ADVP (RB especially)) (PP (IN for) (BASENP (DT the) (NN clean-up) (NN operation)))))))))))) (PERIOD .))