Please answer the following question: Milwaukee City Hall - The Milwaukee City Hall is in Milwaukee Wisconsin U.S. It was finished in 1895 at which time it was the tallest habitable building in the United States. The city hall's bell tower at 353 feet (108 m) also made it the second tallest structure in the nation behind the Washington Monument. The Hall was Milwaukee's tallest building until completion of the First Wisconsin Center in 1973. 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?
Answer:
Building