all lesson left n<apostrophe>t n<apostrophe>t down .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 all) (NN_2 lesson)) (VP_4 (ATVP_0 (VBD_2 left) (ADVP_0 (RB_1 n<apostrophe>t) (RB_1 n<apostrophe>t))) (PRT_0 (RP_0 down)))) (DOT_0 .)))