(S (S (S (PP (IN In) (NP (BASENP (DT an) (NN excavation)) (VP (VBN conducted) (PP (IN at) (BASENP (DT the) (NN site)))))) (COMMA ,) (S (NP (BASENP (DT a) (JJ large) (NN number)) (PP (IN of) (BASENP (NN human) (NNS remains)))) (VP (VBD were) (VP (VBN found))))) (SBAR (WHNP (WDT that)) (S (VP (VBP display) (NP (BASENP (NNS signs)) (PP (IN of) (NP (BASENP (JJ physical) (NN injury)) (CC or) (BASENP (NN disease))))))))) (PERIOD .))