on All , sky right and flats , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 on) (NP_3 (ATNP_0 (NP_6 (ATNP_1 (ATNP_0 (NP_0 (DT_1 All)) (COMMA_0 ,)) (NN_0 sky)) (NN_1 right)) (CC_0 and)) (NNS_0 flats))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))