(S (S (PP-SBJ (NP (PP (BASENP (NN ２) (NN 台)) (IN の)) (BASENP (NN 巡回) (NN 車両))) (IN が)) (COMMA 、) (VP (PP (NP (S-REL (PP (BASENP (DT その) (NN 地域)) (IN で)) (S-NSBJ (VP (PP-OBJ (NP (PP (BASENP (NN 先)) (IN の)) (NN 騒ぎ)) (IN を)) (VP (VBV 起こし) (VP (MD た)))))) (NN 事件)) (IN に)) (VP (VP (VBO 送ら) (VP (VBV れ))) (VP (MD た))))) (PERIOD 。))
2 台 の 巡回 車両 が 、 その 地域 で 先 の 騒ぎ を 起こし た 事件 に 送ら れ た 。
A two vehicle patrol was sent to the incident given previous trouble in the area .