(S (S (PP (IN On) (BASENP (NNP Thursday))) (COMMA ,) (S (NP (BASENP (NNP London) (POS 's)) (BASENP (NNP Mayor) (NNP Boris) (NNP Johnson))) (VP (VBD announced) (NP (BASENP (DT the) (NN shortlist)) (PP (IN of) (NP (BASENP (NNS bidders)) (SBAR (S (VP (TO to) (VP (VP (VP (VB supply) (NP (QP (ADVP (RB up) (TO to)) (NN ten)) (BASENP (JJ further) (NNS trams)))) (PP (TO to) (NP (NP (BASENP (NNP Transport)) (PP (IN for) (BASENP (NNP London)))) (PRN (LRB -LRB-) (BASENP (NNP TfL)) (RRB -RRB-))))) (PP (IN for) (NP (BASENP (NN use)) (PP (IN on) (NP (NP (BASENP (DT the) (NN city) (POS 's)) (BASENP (NNP Tramlink) (NN network))) (PP (IN in) (BASENP (NNP Croydon))))))))))))))))) (PERIOD .))