Given the question: Adlai Stevenson I - Adlai Ewing Stevenson I (October 23 1835 June 14 1914) served as the 23rd Vice President of the United States (18931897). Previously he served as a Congressman from Illinois in the late 1870s and early 1880s. After his subsequent appointment as Assistant Postmaster General of the United States during Grover Cleveland's first administration (18851889) he fired many Republican postal workers and replaced them with Southern Democrats. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
The answer is:
Office Holder