eyes dropped that of classes and be able .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NNS_0 eyes)) (VP_4 (ATVP_1 (ATVP_2 (ATVP_0 (VBD_2 dropped) (ADVP_0 (DT_1 that))) (PP_0 (IN_1 of) (NP_4 (NNS_1 classes)))) (CC_0 and)) (VP_1 (VB_0 be) (ADJP_0 (JJ_0 able))))) (DOT_0 .)))