as dude did is who to care to stop .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 as) (NN_3 dude)) (VP_4 (VBD_1 did) (VP_2 (VBZ_0 is) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 care) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 stop))))))))))) (DOT_0 .)))