(S (S (BASENP (DT The) (NN bombing)) (VP (VBD was) (VP (VP (VBN frowned) (PRT (RP upon))) (PP (IN by) (NP (NP (BASENP (DT all)) (VP (VBN involved) (PP (IN in) (BASENP (DT the) (NN peace) (NN process))))) (COMMA ,) (PP (VBG including) (NP (BASENP (JJ other) (JJ Basque) (NN separatist) (NNS parties)) (PP (IN in) (BASENP (DT the) (NN region)))))))))) (PERIOD .))