the alpaca mahogany of the hat is sudden , purple .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (ATNP_1 (DT_0 the) (NN_3 alpaca)) (NN_1 mahogany)) (PP_0 (IN_1 of) (NP_5 (DT_0 the) (NN_2 hat)))) (VP_4 (VBZ_0 is) (ADJP_0 (ATADJP_0 (JJ_1 sudden) (COMMA_0 ,)) (JJ_1 purple)))) (DOT_0 .)))