a lot find about class the classes . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (DT_0 a) (NN_2 lot)) (VP_4 (ATVP_0 (ATVP_0 (VB_0 find) (PRT_0 (RP_0 about))) (NP_5 (NN_3 class))) (NP_6 (DT_0 the) (NNS_1 classes)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))