(S (S (BASENP (PRPD His) (NN defense)) (VP (VBD had) (VP (VP (VBN admitted) (SBAR (S (BASENP (NNP Oyler)) (VP (ADVP (RB likely)) (VP (VBD started) (NP (BASENP (JJ several) (NNS fires)) (PP (IN in) (BASENP (DT the) (NNP Riverside) (NNP County) (NN area))))))))) (CONJP (COMMA ,) (CC but)) (VP (VBN denied) (SBAR (S (BASENP (PRP he)) (VP (VBD had) (VP (VBN started) (NP (BASENP (DT the) (NN one)) (SBAR (WHNP (WDT that)) (S (VP (VBD killed) (BASENP (DT the) (NNS firefighters)))))))))))))) (PERIOD .))