a trendy chin idiom but school classes , blackened wore back no lower .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_2 (ATNP_0 (NP_6 (ATNP_1 (ATNP_1 (DT_0 a) (ADJP_0 (JJ_0 trendy))) (NN_0 chin)) (NN_1 idiom)) (CC_0 but)) (NP_3 (NN_0 school) (NNS_1 classes))) (COMMA_0 ,)) (VP_4 (VBN_0 blackened) (S_2 (VP_0 (ATVP_1 (VBD_0 wore) (RB_1 back)) (NP_6 (RB_1 no) (JJR_0 lower)))))) (DOT_0 .)))