Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Yang Si-De - Yang Si-De (Chinese: ; pinyin: Yang Si De; born December 11 1921 in Nansha CountyNansha Tengzhou Shandong) is a retired general of the People's Liberation Army and served as Minister of the Taiwan Affairs Office of the CPC Central Committee. During this period he followed the Communist Party's peaceful One Country Two Systems policy to resolve the Taiwan sovereignty issue.
The answer to this question is:
Office Holder