original: After receiving suspended sentences several times for anti-government activities, Yun retired from politics in 1980 and focused primarily on cultural activities until his death from diabetic conditions and high blood pressure in 1990.
simplifications: Yun retired in 1980 after being suspended several times for anti-government activities. He then mainly focused on cultural activites until he died in 1990 from diabetes and high blood pressure. After receiving sentences for anti-government activities, Yun retired from politics in 1980. He than focuses on cultural activities until his death in 1990. Yun received suspended sentences several times for anti-government activities. He retired from politics in 1980. He focused on cultural activities. He died from diabetic conditions and high blood pressure in 1990. After receiving several suspended sentences for anti-government activities, Yun retired from politics in 1980. He focused mainly on cultural activities until dying from diabetic conditions and high blood pressure in 1990. After receiving suspended sentences several times for anti-government activities, Yun left politics in 1980. He then focused mostly on cultural activities until he died from diabetes and high blood pressure in 1990. After several suspended sentences for anti-government activities, Yun retired from politics in 1980. From then, he focused on cultural activities until his death in 1990. Yun received suspended sentences several times for anti-government activities. After this, Yun retired from politics in 1980. He focused mostly on cultural activities until his death from diabetic conditions and high blood pressure in 1990. With suspended sentences many times from anti-government acts, Yun retired from politics in 1980 and worked on cultural activities until he died from diabetes and high blood pressure in 1990. Yun was suspended from office a lot of times for his anti-government activities. Yun retired from politics in 1980. Yun worked mainly on cultural activities until his death from diabetes  and high blood pressure in 1990. Since receiving suspended sentences many times for anti-government activities, Yun retired from politics in 1980 and focused mainly on cultural activities until his death due to diabetic conditions and high blood pressure in 1990.