(S (S (NP (BASENP (NNS Firefighters)) (PP (IN from) (BASENP (DT all) (NNP Bratislava) (NNS fire-stations)))) (VP (VP (VBD took) (BASENP (NN part))) (PP (IN in) (BASENP (DT the) (JJ fire-fighting) (NN operation))))) (PERIOD .))