(S (S (S (BASENP (DT A) (ADJP (NN 6.5) (NN magnitude)) (NN earthquake)) (VP (VBZ has) (VP (VBN hit) (NP (BASENP (DT the) (JJ Indonesian) (NN island)) (PP (IN of) (BASENP (NNP Sulawesi))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (DT the) (NNP U.S.) (NNP Geological) (NNP Survey))))) (PERIOD .))