not this group left as it lives gravel .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (RB_1 not) (NP_5 (DT_0 this) (NN_2 group))) (VP_3 (VBD_0 left) (SBAR_0 (IN_2 as) (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBZ_0 lives) (NP_2 (NN_3 gravel))))))) (DOT_0 .)))