at a air smiled going their cardigan .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (PP_1 (IN_1 at)) (NP_5 (DT_0 a) (NN_2 air))) (VP_3 (VBD_1 smiled) (VP_2 (VBG_0 going) (NP_2 (PRPDOLLAR_0 their) (NN_0 cardigan))))) (DOT_0 .)))