(S (S (PP (NP (PP (PP (BASENP (NN 目撃) (NN 者)) (IN から)) (IN の)) (NN 報告)) (INP (IN に) (VB よる) (INCON と))) (COMMA 、) (S (SBAR (S (PP-SBJ (BASENP (NN 爆発)) (IN は)) (VP (PP-OBJ (BASENP (NN 遺体)) (IN を)) (VP (PP (PP (NP (PP (NP (PP (BASENP (NN 近隣)) (IN の)) (NN ビル)) (IN の)) (NN 上)) (IN に)) (PP (BASENP (NN 屋上)) (IN に))) (VB 投げ飛ばす)))) (NN ほど)) (S-NSBJ (ADJP (ADVP (NN 非常) (INRB に)) (ADJP (NN 強力) (VP (MDV だっ) (VP (MD た)))))))) (PERIOD 。))
目撃 者 から の 報告 に よる と 、 爆発 は 遺体 を 近隣 の ビル の 上 に 屋上 に 投げ飛ばす ほど 非常 に 強力 だっ た 。
According to reports from witnesses , the blast was so strong that it threw bodies onto rooftops of neighbouring buildings .