hill grassy when Another discovered there all but was his wisps , into the never plastic , feathers discovered the quivered waist-high structures .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (NN_3 hill) (JJ_0 grassy)) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (DT_1 Another)) (VP_5 (ATVP_1 (ATVP_2 (ATVP_4 (VBD_0 discovered) (RB_1 there)) (ADVP_0 (DT_1 all))) (CC_0 but)) (VP_1 (ATVP_3 (ATVP_2 (VBD_2 was) (NP_3 (PRPDOLLAR_0 his) (NNS_0 wisps))) (COMMA_0 ,)) (PP_0 (IN_1 into) (NP_2 (ATNP_2 (ATNP_2 (DT_0 the) (ADJP_0 (RB_0 never) (JJ_0 plastic))) (COMMA_0 ,)) (NNS_1 feathers)))))))) (VP_4 (VBD_1 discovered) (NP_2 (ATNP_0 (DT_0 the) (VBN_0 quivered)) (NP_4 (JJ_1 waist-high) (NNS_1 structures))))) (DOT_0 .)))