He happened across his higher chill then .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_4 (VBN_0 happened) (PP_2 (IN_0 across) (NP_6 (ATNP_1 (PRPDOLLAR_0 his) (JJR_0 higher)) (NN_1 chill)))) (ADVP_0 (RB_0 then)))) (DOT_0 .)))