(S (S (SBAR (S (PP-SBJ (BASENP (NN 彼)) (IN は)) (VP (PP (BASENP (NN 不安定) (NN 狭心症)) (IN と)) (VP (VP (VP (NN 診断) (VBO さ)) (VP (VBV れ))) (VP (MD た))))) (INCON ので)) (COMMA 、) (S (PP-SBJ (NP (S-NSBJ (VP (PP-OBJ (BASENP (NN 命)) (IN を)) (VP (PP (BASENP (NN 危険)) (IN に)) (VB さらす)))) (BASENP (NN 可能) (NN 性))) (IN が)) (VP (VBV あっ) (VP (MD た))))) (PERIOD 。))
彼 は 不安定 狭心症 と 診断 さ れ た ので 、 命 を 危険 に さらす 可能 性 が あっ た 。
He could have risked his life as he was diagnosed with unstable angina .