I should leave out who to think they slithered pale face hours .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (MD_0 should) (VP_1 (ATVP_0 (VB_0 leave) (PRT_0 (RP_0 out))) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 think) (SBAR_0 (S_1 (NP_0 (PRP_1 they)) (VP_5 (VBD_1 slithered) (NP_3 (ATNP_0 (JJ_0 pale) (NN_0 face)) (NNS_0 hours)))))))))))) (DOT_0 .)))