(S (S (NP (NP (NP (BASENP (NN Animal) (NNS bones)) (COMMA ,) (BASENP (NNS arrowheads))) (COMMA ,) (BASENP (NN stone) (NNS tools))) (CC and) (BASENP (JJ other) (NNS relics))) (VP (VBD were) (VP (ADVP (RB also)) (VBN discovered)))) (PERIOD .))