four heavy friend goat of green low potatoes <apostrophe>m wall but wall .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (ATNP_1 (ATNP_0 (CD_0 four) (JJ_1 heavy)) (NN_0 friend)) (NN_1 goat)) (PP_0 (IN_1 of) (NP_2 (ATNP_0 (JJ_0 green) (JJ_1 low)) (NP_4 (NNS_1 potatoes))))) (VP_4 (VBP_0 <apostrophe>m) (NP_6 (ATNP_1 (NN_1 wall) (CC_0 but)) (NN_1 wall)))) (DOT_0 .)))