cluster teeth had piled Within hauntingly for later , sharp .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NN_1 cluster) (NNS_0 teeth)) (VP_4 (VBD_1 had) (VP_2 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_2 piled) (ADVP_0 (IN_2 Within) (RB_1 hauntingly))) (PP_1 (IN_1 for) (NP_2 (RB_1 later)))) (COMMA_0 ,)) (ADJP_0 (JJ_0 sharp))))) (DOT_0 .)))