the class eyes do when rough Pura <apostrophe>m .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (DT_0 the) (NN_3 class)) (NNS_0 eyes)) (VP_4 (VBP_0 do) (SBAR_0 (WHADVP_0 (WRB_0 when) (ADJP_0 (JJ_0 rough))) (S_1 (NP_0 (NNP_0 Pura)) (VP_5 (VBP_0 <apostrophe>m)))))) (DOT_0 .)))