When that saw black knees maybe the group was waiting in turquoise .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (WHADVP_0 (WRB_0 When)) (S_1 (NP_0 (DT_1 that)) (VP_5 (VBD_1 saw) (NP_3 (JJ_1 black) (NNS_0 knees))))) (ADVP_0 (RB_0 maybe))) (NP_0 (DT_0 the) (NN_2 group))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 waiting) (PP_2 (IN_0 in) (NP_5 (NN_3 turquoise)))))) (DOT_0 .)))