she worried At feathers just have of the sturdy cluster of holes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 she)) (VP_4 (ATVP_1 (ATVP_4 (VBN_0 worried) (PP_2 (IN_0 At) (NP_6 (NNS_1 feathers)))) (ADVP_0 (RB_0 just))) (VP_5 (VBP_0 have) (PP_2 (IN_0 of) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 sturdy)) (NN_1 cluster)) (PP_0 (IN_1 of) (NP_4 (NNS_1 holes)))))))) (DOT_0 .)))