They moved there , knees the thunder .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBD_2 moved) (S_2 (NP_1 (ATNP_0 (NP_0 (EX_0 there)) (COMMA_0 ,)) (NNS_0 knees)) (NP_5 (DT_0 the) (NN_2 thunder))))) (DOT_0 .)))