(S (S (PP (IN In) (SBAR (WHNP (WP what)) (S (VP (VBZ is) (VP (VBG becoming) (NP (BASENP (DT an) (JJ annual) (NN phenomenon)) (PP (IN in) (BASENP (NNP France))))))))) (COMMA ,) (S (BASENP (NN 400) (NNS cars)) (VP (VBD were) (VP (VP (VBN set) (ADJP (JJ ablaze))) (PP (IN during) (NP (BASENP (DT the) (NNP New) (NNP Year) (POS 's)) (NN night))))))) (PERIOD .))