(S (S (PP-SBJ (NP (S-REL-NSBJ (VP (VP (VBO 殺さ) (VP (VBV れ))) (VP (MD た)))) (NP (PP (BASENP (NN ５) (NN 人)) (IN の)) (BASENP (NN 消防) (NN 士)))) (IN は)) (COMMA 、) (VP (PRN (SBAR (SBAR (S (PP (NP (PP (BASENP (NN 彼ら)) (IN の)) (NN トラック)) (IN に)) (S (PP-SBJ (BASENP (NN 炎)) (IN が)) (VP (VBV 燃え広がっ) (VP (MD た))))) (NN 時)) (IN に))) (VP (PP-OBJ (BASENP (NN 息)) (IN を)) (VP (VBV 引き取っ) (VP (MD た)))))) (PERIOD 。))
殺さ れ た 5 人 の 消防 士 は 、 彼ら の トラック に 炎 が 燃え広がっ た 時 に 息 を 引き取っ た 。
The five firefighters that were killed died when their truck was overrun by the flames .