by they the car howled the everything on a boulders .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (PP_1 (IN_1 by) (NP_0 (PRP_1 they))) (NP_5 (DT_0 the) (NN_2 car))) (VP_3 (VBD_0 howled) (NP_3 (NP_5 (DT_0 the) (NN_2 everything)) (PP_2 (IN_0 on) (NP_6 (DT_0 a) (NNS_1 boulders)))))) (DOT_0 .)))