He leave the lesson , of puffy the mountains <apostrophe> soon .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_4 (ATVP_3 (ATVP_2 (VB_0 leave) (NP_4 (DT_0 the) (NN_2 lesson))) (COMMA_0 ,)) (PP_0 (IN_1 of) (NP_4 (ATNP_0 (RB_0 puffy) (NP_6 (DT_0 the) (NNS_1 mountains))) (POS_0 <apostrophe>)))) (ADVP_0 (RB_0 soon)))) (DOT_0 .)))