(S (S (S (PP (PP (BASENP (NN 事故) (NN 現場)) (IN に)) (IN は)) (S (PP-SBJ (NP (PP (BASENP (NN 野営)) (IN の)) (NN 病院)) (IN が)) (VP (VP (NN 設営) (VBO さ)) (VP (VBV れ))))) (COMMA 、) (S-NSBJ (VP (PP (BASENP (NN 犠牲) (NN 者)) (IN に)) (VP (PP-OBJ (BASENP (NN 緊急) (NN 応急) (NN 手当)) (IN を)) (VP (VP (NN 提供) (VBV し)) (VP (MD た))))))) (PERIOD 。))
事故 現場 に は 野営 の 病院 が 設営 さ れ 、 犠牲 者 に 緊急 応急 手当 を 提供 し た 。
A field hospital was set up at the site of the accident , which provided emergency first aid to the victims .