I did keep again on the valley than a house .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_0 did) (SBAR_0 (S_2 (VP_0 (ATVP_4 (VB_0 keep) (ADVP_0 (RB_0 again))) (PP_2 (IN_0 on) (NP_3 (NP_5 (DT_0 the) (NN_2 valley)) (PP_0 (IN_1 than) (NP_5 (DT_0 a) (NN_2 house)))))))))) (DOT_0 .)))