Given the question: Birgit Collin-Langen (born 4 September 1956) is a German CDU politician. She served as the mayor of Bingen am Rhein from 1996 to 2012. In March 2012 she took her seat in the European Parliament for Rhineland-Palatinate in place of Kurt Lechner who had resigned his seat due to age. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Office Holder