(S (S (BASENP (NNS Investigators)) (VP (VBP are) (VP (VBG examining) (NP (BASENP (NNS bones)) (VP (VBN removed) (PP (IN from) (NP (BASENP (PRPD his) (NN burial) (NN site)) (PP (IN in) (BASENP (DT the)))))))))) (PERIOD .))