(S (S (PP-SBJ (BASENP (NN 死)) (IN は)) (VP (ADVP (NN 主) (INRB に)) (VP (S (PP-SBJ (NP (S (PP (BASENP (NN 雨) (CC や) (NN 泥)) (IN で)) (S (PP-SBJ (BASENP (NN 掘) (NN 立) (NN 小屋)) (IN が)) (VP (VP (NN 倒壊) (VBV し)) (VP (MD た))))) (NN こと)) (IN が)) (VP (BASENP (NN 原因)) (MDV で))) (VP (VP (VBO 引き起こさ) (VP (VBV れ))) (VP (MD た)))))) (PERIOD 。))
死 は 主 に 雨 や 泥 で 掘 立 小屋 が 倒壊 し た こと が 原因 で 引き起こさ れ た 。
The deaths were caused mainly because some shanty-houses collapsed under rain or mud .