It used a finger the best face kind , of classes , up .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (ATVP_0 (VP_5 (ATVP_3 (ATVP_2 (VBD_2 used) (NP_3 (ATNP_0 (DT_0 a) (NN_3 finger)) (NP_6 (ATNP_1 (ATNP_1 (DT_0 the) (JJS_0 best)) (NN_0 face)) (NN_1 kind)))) (COMMA_0 ,)) (PP_0 (IN_1 of) (NP_4 (NNS_1 classes)))) (COMMA_0 ,)) (PRT_0 (RP_0 up)))) (DOT_0 .)))