(S (S (S (BASENP (JJ Advanced) (NN decomposition)) (VP (VBZ has) (VP (VBN made) (S (BASENP (NN identification)) (ADJP (JJ difficult) (PP (IN for) (BASENP (NNS authorities)))))))) (CONJP (CC and) (COMMA ,)) (S (S (VP (VBG fearing) (BASENP (DT a) (NN health) (NN epidemic)))) (COMMA ,) (S (NP (BASENP (DT all)) (PP (IN of) (BASENP (DT the) (NNS bodies)))) (VP (VBD were) (VP (ADVP (RB immediately)) (VP (VBN buried) (PP (IN in) (BASENP (JJ makeshift) (NNS graves))))))))) (PERIOD .))