(S (S (BASENP (NN Two) (NNP CH-47) (NNP Chinook) (NNS helicopters)) (VP (VBD were) (VP (VP (VP (VBN called) (PRT (RP in))) (PP (IN on) (NP (BASENP (NNP Wednesday)) (PRN (COMMA ,) (BASENP (NNP September) (NN 2nd)) (COMMA ,))))) (S (VP (TO to) (VP (VB help) (S (VP (VB contain) (NP (BASENP (DT the) (NNS wildfires)) (PP (IN on) (NP (BASENP (DT the) (NNP Hawaiian) (NNP Island)) (PP (IN of) (BASENP (NNP Molokai)))))))))))))) (PERIOD .))