by the sudden smile of the group , she remains .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 by) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 sudden)) (NN_1 smile)) (PP_0 (IN_1 of) (NP_5 (DT_0 the) (NN_2 group))))) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (VBZ_0 remains))) (DOT_0 .)))