back so and that was purple corn a best knoll .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ADVP_0 (RB_0 back)) (ADVP_0 (RB_0 so))) (CC_0 and)) (S_1 (NP_0 (DT_1 that)) (VP_5 (VBD_1 was) (NP_3 (ATNP_0 (JJ_0 purple) (NN_0 corn)) (NP_6 (ATNP_1 (DT_0 a) (JJS_0 best)) (NN_1 knoll)))))) (DOT_0 .)))