(S (S (BASENP (PRP It)) (VP (VBD had) (VP (VP (VBN become) (BASENP (NN routine))) (SBAR (IN for) (S (S (BASENP (DT the) (JJ ruling) (NN party)) (VP (TO to) (VP (VB explain) (NP (BASENP (DT the) (NNS circumstances)) (VP (VBG leading) (PP (TO to) (BASENP (DT the) (NN increase)))))))) (CC and) (S (BASENP (DT the) (NNP Opposition)) (VP (TO to) (VP (VB protest))))))))) (PERIOD .))