(S (S (PP-SBJ (NP (S-REL-NOBJ (PP-SBJ (BASENP (NN 人々)) (IN が)) (VP (VP (NN 心配) (VBV し)) (VP (MD た)))) (NN 事故)) (IN は)) (VP (VP (PP-OBJ (NP (PP (BASENP (NN 数) (NN 時間)) (IN の)) (NN 遅延)) (IN を)) (VBV 引きおこし)) (COMMA 、) (VP (PP (BASENP (QP (PRE 約) (NN ２０)) (NN 分)) (IN で)) (VP (VP (VBO 片づけ) (VP (VBV られ))) (VP (MD た)))))) (PERIOD 。))
人々 が 心配 し た 事故 は 数 時間 の 遅延 を 引きおこし 、 約 20 分 で 片づけ られ た 。
An incident that people worried would cause a delay of hours , was cleared up in around 20 minutes .