(S (S (PP (VBG According) (PP (TO to) (NP (BASENP (NN city) (NN health) (NNS officials)) (PP (IN in) (BASENP (NNP Hammond) (COMMA ,) (NNP Indiana)))))) (COMMA ,) (S (BASENP (EX there)) (VP (VBP have) (VP (VBN been) (NP (NP (BASENP (NN two) (JJR more) (NNS cases)) (PP (IN of) (BASENP (NNP West) (NNP Nile) (NN virus)))) (VP (VBN reported) (PP (IN in) (BASENP (NNS humans))))))))) (PERIOD .))