(S (S (PP-SBJ (BASENP (NN 男子)) (IN は)) (VP (VP (PP-OBJ (BASENP (NN 性的) (NN 虐待)) (IN を)) (VB 受ける)) (CONJP (CC か) (COMMA 、)) (VP (PP (BASENP (NN 礼拝) (NN 堂)) (IN で)) (VP (BASENP (NN 一) (NN 回)) (VP (PP-OBJ (BASENP (NN お互い)) (IN を)) (VP (VP (VP (VP (NN 暴行) (VBO さ)) (VP (VBV せ))) (VP (VBV られ))) (VP (MD た)))))))) (PERIOD 。))
男子 は 性的 虐待 を 受ける か 、 礼拝 堂 で 一 回 お互い を 暴行 さ せ られ た 。
It is alleged that boys were subject to sexual abuse or forced to assault each other once in the prayer room .