(S (S (PP (IN On) (NP (BASENP (NNP May) (NN 28)) (COMMA ,) (BASENP (NN 2003)))) (S (NP (BASENP (NNP Germany) (POS 's)) (BASENP (JJS third-largest) (NN city))) (COMMA ,) (VP (VBD voted) (S (VP (TO to) (VP (VB move) (PP (TO to) (BASENP (JJ open) (NN source) (NN software))))))))) (PERIOD .))