or it who to think to did the back hair of a mounds .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 or) (NP_1 (NP_0 (PRP_1 it)) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 think) (S_2 (TO_0 to)))))))) (VP_3 (ATVP_3 (VBD_0 did) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 back)) (NN_1 hair))) (PP_0 (IN_1 of) (NP_6 (DT_0 a) (NNS_1 mounds))))) (DOT_0 .)))