(S (S (BASENP (DT The) (NN tram) (NN fleet)) (VP (VBZ is) (VP (ADVP (RB currently)) (VP (VP (VBN made) (PRT (RP up))) (PP (IN of) (NP (BASENP (NN 24) (NNP Bombardier) (NNP CR4000) (NNS trams)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBD were) (VP (VP (VBN constructed) (PP (IN for) (NP (BASENP (DT the) (NN opening)) (PP (IN of) (BASENP (DT the) (NN 28km) (NN network)))))) (PP (IN between) (BASENP (NN 1998) (CC and) (NN 2000))))))))))))) (PERIOD .))