(S (S (S (PP-SBJ (BASENP (NN 彼)) (IN は)) (VP (PP (BASENP (NN 任務) (NN 中)) (IN に)) (VP (NN 死亡) (VBV し)))) (COMMA 、) (S (PP-SBJ (BASENP (NN 我々)) (IN は)) (VP (PP-OBJ (BASENP (NN 彼)) (IN を)) (VP (VBV 忘れ) (VP (MD ない)))))) (PERIOD 。))
彼 は 任務 中 に 死亡 し 、 我々 は 彼 を 忘れ ない 。
He died doing his duty and we will remember him .