(S (S (PP-OBJ (NP (S (PP-SBJ (BASENP (NN 熊)) (IN が)) (VP (PP (BASENP (NN 森)) (IN に)) (VP (VP (VBV 走っ) (INTE て)) (VP (VBV 帰っ) (VP (MD た)))))) (NN あと)) (IN を)) (S (PP-SBJ (BASENP (NN 犬)) (IN は)) (VP (VBV 追っ) (VP (MD た))))) (PERIOD 。))
熊 が 森 に 走っ て 帰っ た あと を 犬 は 追っ た 。
As the bear ran back into the woods , the dog chased it .