(S (S (S (S (VP (VBN Buried) (PP (IN in) (BASENP (DT a) (JJ nearby) (NN crypt))))) (COMMA ,) (S (BASENP (DT the) (NNS bones)) (VP (VBP are) (VP (VBN thought) (S (VP (TO to) (VP (VB be) (ADJP (BASENP (NNS centuries)) (JJ old))))))))) (CC but) (S (BASENP (JJ forensic) (NNS tests)) (VP (VBP are) (ADJP (JJ ongoing))))) (PERIOD .))