(S (S (S (BASENP (NNP Diaz)) (VP (VBD debuted) (PP (IN in) (BASENP (DT the) (NN boxing) (NN world))))) (SBAR (WHADVP (WRB when)) (S (BASENP (PRP he)) (VP (VP (VBD was) (NP (BASENP (NN part)) (PP (IN of) (BASENP (DT the) (VBG winning) (NNP United) (NNPS States) (NNP Olympic) (NN boxing) (NN team))))) (PP (IN during) (BASENP (DT the) (NN 1996) (NNP Atlanta) (NNP Olympic) (NNS games))))))) (PERIOD .))