because lesson grew piled leave around The .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 because) (NN_3 lesson)) (VP_4 (VBD_2 grew) (S_2 (VP_0 (VBD_2 piled) (VP_2 (ATVP_2 (VB_0 leave) (PRT_0 (RP_0 around))) (ADVP_0 (DT_1 The))))))) (DOT_0 .)))