(S (S (NP (BASENP (NN Tax) (NN processing)) (PP (IN for) (BASENP (NNS businesses)))) (VP (VP (VBD had) (RB not)) (VP (VBN been) (VP (VBN affected) (PP (IN by) (BASENP (DT the) (NN computer) (NN shutdown))))))) (PERIOD .))