this beak refer slithered her from boulders best garden of the mounds .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 this) (NN_2 beak)) (VP_4 (VBP_0 refer) (SBAR_0 (S_2 (VP_0 (ATVP_4 (VBD_2 slithered) (NP_1 (PRP_0 her))) (PP_2 (IN_0 from) (NP_3 (NP_6 (ATNP_1 (NP_4 (NNS_1 boulders)) (JJS_0 best)) (NN_1 garden)) (PP_0 (IN_1 of) (NP_6 (DT_0 the) (NNS_1 mounds)))))))))) (DOT_0 .)))