the someone friend glasses , could do a stuff on his sky .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_2 (ATNP_1 (ATNP_0 (DT_0 the) (NN_3 someone)) (NN_0 friend)) (NNS_0 glasses)) (COMMA_0 ,)) (VP_4 (MD_0 could) (VP_1 (VB_0 do) (NP_3 (NP_5 (DT_0 a) (NN_2 stuff)) (PP_0 (IN_1 on) (NP_2 (PRPDOLLAR_0 his) (NN_0 sky))))))) (DOT_0 .)))