all powdery be about the best distance .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 all) (NN_2 powdery)) (VP_4 (ATVP_0 (VB_0 be) (PRT_0 (RP_0 about))) (NP_6 (ATNP_1 (DT_0 the) (JJS_0 best)) (NN_1 distance)))) (DOT_0 .)))