(S (S (S (BASENP (NN Boxing) (NNS punters)) (VP (VBD observed) (SBAR (IN that) (S (BASENP (NNP Diaz)) (VP (VP (VBZ has) (NP (BASENP (DT a) (NN lot)) (PP (IN of) (BASENP (NN heft))))) (PP (IN in) (NP (BASENP (DT the) (NN way)) (SBAR (S (BASENP (PRP he)) (VP (VBZ delivers) (BASENP (PRPD his) (NNS punches)))))))))))) (CC but) (S (NP (BASENP (NNP Pacquiao) (POS 's)) (NP (BASENP (NN speed)) (CC and) (BASENP (JJ strong) (NNS punches)))) (VP (VBP are) (NP (BASENP (NN something)) (SBAR (S (BASENP (NNP Diaz)) (VP (MD should) (VP (VB be) (ADJP (JJ wary) (PP (IN about))))))))))) (PERIOD .))