They maybe were where the hill grew really white , and him happened Quechua boulders .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_1 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 maybe))) (VP_3 (VBD_0 were) (SBAR_0 (WHADVP_0 (WRB_0 where)) (S_1 (NP_0 (DT_0 the) (NN_2 hill)) (VP_5 (VBD_0 grew) (ADJP_0 (RB_0 really) (JJ_0 white))))))) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (PRP_1 him)) (VP_5 (VBD_1 happened) (NP_3 (NNP_1 Quechua) (NNS_1 boulders))))) (DOT_0 .)))