himself dropped to scared because he discovered up .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 himself)) (VP_4 (VBD_2 dropped) (S_2 (VP_0 (TO_0 to) (VP_1 (VBN_0 scared) (SBAR_0 (IN_2 because) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_0 discovered) (PRT_0 (RP_0 up)))))))))) (DOT_0 .)))