(S (S (PP (IN On) (NP (BASENP (DT the) (JJ 3rd) (NN day)) (PP (IN of) (BASENP (DT the) (NN 2007) (NNP World) (NNP Deaf) (NNP Swimming) (NNPS Championships))))) (COMMA ,) (S (NP (DT the) (NP (BASENP (NNPS Men) (JJ 1500m) (NNP Freestyle)) (COMMA ,) (NP (NNPS Women) (NP (NP (NP (BASENP (JJ 800m) (NNP Freestyle)) (COMMA ,) (BASENP (JJ 50m) (NNP Breaststroke))) (COMMA ,) (BASENP (JJ 200m) (NNP Freestyle))) (COMMA ,) (BASENP (JJ 4x100m) (NNP Medley) (NNP Relay) (NNPS Groups) (NNS finales)))))) (VP (VP (VBD took) (BASENP (NN place))) (PP (IN during) (NP (DT the) (BASENP (NN afternoon) (CC and) (NN evening))))))) (PERIOD .))