(S (S (PP (BASENP (NN 昨年) (RB ほぼ) (PRE 同) (NN 時期)) (IN に)) (COMMA 、) (S (PP-SBJ (NP (S-REL (PP-SBJ (BASENP (NN ４２) (NN 人)) (IN が)) (VP (PP (BASENP (NN 災害)) (IN で)) (VP (VP (NN 死亡) (VBV し)) (VP (MD た))))) (BASENP (ADJP (NN 深刻) (MDO な)) (NN 洪水))) (IN が)) (VP (PP (BASENP (NNP ナミビア)) (IN で)) (VP (VP (NN 発生) (VBV し)) (VP (MD た)))))) (PERIOD 。))
昨年 ほぼ 同 時期 に 、 42 人 が 災害 で 死亡 し た 深刻 な 洪水 が ナミビア で 発生 し た 。
Severe flooding occurred in Namibia about the same time last year , when 42 people were killed by the disaster .