(S (S (S (BASENP (NNS Services)) (VP (VBD were) (VP (ADVP (RB slowly)) (VBN restored)))) (SBAR (IN after) (S (NP (BASENP (DT an) (JJ unscheduled) (NN strike)) (PP (IN by) (BASENP (NNP SNCF) (NNS drivers)))) (VP (VBD closed) (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (NNP Paris) (POS 's)) (BASENP (NN six) (JJ main) (NN railway) (NNS stations))))))))) (PERIOD .))