that gravel were quite captivated to to rattle moved so Because were there attention Behind arm potatoes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 that) (NN_3 gravel)) (VP_4 (ATVP_1 (VBD_0 were) (RB_1 quite)) (VP_5 (VBD_2 captivated) (S_2 (VP_0 (TO_0 to) (VP_1 (TO_0 to) (VP_1 (VB_0 rattle) (VP_2 (ATVP_4 (ATVP_2 (VBN_0 moved) (ADVP_0 (RB_0 so))) (PP_1 (IN_1 Because) (S_2 (VP_0 (ATVP_0 (VBD_1 were) (RB_1 there)) (NP_2 (NN_3 attention)))))) (PP_2 (IN_0 Behind) (NP_3 (NN_0 arm) (NNS_1 potatoes))))))))))) (DOT_0 .)))