They braked black of turquoise back .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_4 (VBN_0 braked) (ADJP_0 (JJ_1 black) (PP_1 (IN_1 of) (NP_2 (NN_3 turquoise))))) (ADVP_0 (RB_0 back)))) (DOT_0 .)))