they smiled by it and she was .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 they)) (VP_5 (VBD_1 smiled) (PP_1 (IN_1 by) (NP_0 (PRP_1 it))))) (CC_0 and)) (S_1 (NP_0 (PRP_1 she)) (VP_5 (VBD_1 was)))) (DOT_0 .)))