an sleeve , knees used as back if <apostrophe><apostrophe> if , glinting one to Noah .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (NP_5 (DT_0 an) (NN_2 sleeve)) (COMMA_0 ,)) (NNS_0 knees)) (VP_4 (ATVP_3 (ATVP_2 (ATVP_4 (VBD_2 used) (PP_2 (ATPP_0 (ADVP_0 (IN_2 as) (RB_1 back)) (IN_2 if)) (APOSTROPHE_0 <apostrophe><apostrophe>))) (ADVP_0 (IN_2 if))) (COMMA_0 ,)) (S_2 (VP_0 (ATVP_4 (VBG_0 glinting) (NP_5 (NN_3 one))) (PP_2 (TO_0 to) (NP_2 (RB_0 Noah))))))) (DOT_0 .)))