in looking if the single potatoes , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 in) (SBAR_0 (VP_0 (VBG_0 looking) (PP_2 (IN_0 if) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 single)) (NNS_1 potatoes)))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))