under going fingers of not lower and classes , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 under) (NP_3 (NP_6 (VBG_0 going) (NNS_0 fingers)) (PP_0 (IN_1 of) (NP_2 (ATNP_0 (NP_6 (RB_1 not) (JJR_0 lower)) (CC_0 and)) (NP_4 (NNS_1 classes)))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))