(S (S (PP (NP (PP (BASENP (NN 過去) (NN ６) (NN 年間)) (IN の)) (NN 取り調べ)) (IN で)) (COMMA 、) (S (PP-SBJ (NP (S (PP-SBJ (BASENP (NN 王子)) (IN が)) (VP (VP (VP (NN 尋問) (VBO さ)) (VP (VBV れ))) (VP (MD た)))) (NN の)) (IN は)) (VP (BASENP (NN 初めて)) (VP (MDV だっ) (VP (MD た)))))) (PERIOD 。))
過去 6 年間 の 取り調べ で 、 王子 が 尋問 さ れ た の は 初めて だっ た 。
This was the first time during the last six years of the inquiry that the Prince was questioned .