(S (S (PP-SBJ (NP (S-REL-NSBJ (VP (PP (BASENP (NN 国境)) (IN で)) (VP (VBV 起こっ) (VP (MD た))))) (NN こと)) (IN は)) (VP (PP (BASENP (NNP ルワンダ) (NN 当局) (INFK だけ)) (IN に)) (VP (S (PP-SBJ (BASENP (NN 責任)) (IN が)) (VP (VB ある)))))) (PERIOD 。))
国境 で 起こっ た こと は ルワンダ 当局 だけ に 責任 が ある 。
What happened at the border was the sole responsibility of the Rwandese officials involved .