(S (S (PP (IN Unlike) (NP (BASENP (DT the) (NN taekwondo) (NN event)) (SBAR (WHNP (WDT which)) (S (VP (VBD applied) (BASENP (DT a) (JJ single) (NN elimination) (NN rule))))))) (COMMA ,) (S (NP (BASENP (NNS events)) (PP (IN from) (BASENP (NN karate) (CC and) (NN judo)))) (VP (VP (VBD applied) (BASENP (NN round) (NN robin) (NNS rules))) (PP (IN in) (BASENP (PRPD their) (NNS competitions)))))) (PERIOD .))