them piled of nap clouds , the sudden nap .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (ATVP_0 (VP_5 (VBD_2 piled) (PP_2 (IN_0 of) (NP_3 (NN_0 nap) (NNS_1 clouds)))) (COMMA_0 ,)) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 sudden)) (NN_1 nap)))) (DOT_0 .)))