(S (S (PP-SBJ (BASENP (NN 当局) (NN 者)) (IN は)) (COMMA 、) (VP (SBAR (S (PP-SBJ (NP (S-REL-NSBJ (VP (PP-OBJ (NP (PP (PP (NP (S-REL-NSBJ (VP (PP (NP (PP (PP (BASENP (NN 起訴)) (IN へ)) (IN の)) (NN 取り組み)) (IN に)) (VB 関わる))) (BASENP (ADJP (NN 法的) (MDO な)) (NN 挑戦))) (IN へ)) (IN の)) (NN 不満)) (IN を)) (VB 表す))) (NN 親戚)) (IN も)) (VP (VBV い) (VP (MD た)))) (INQT と)) (VP (VP (NN コメント) (VBV し)) (VP (MDV まし) (VP (MD た)))))) (PERIOD 。))
当局 者 は 、 起訴 へ の 取り組み に 関わる 法的 な 挑戦 へ の 不満 を 表す 親戚 も い た と コメント し まし た 。
Officials commented that some relatives had expressed their frustration over the legal challenges involved in the prosecution effort .