Please answer the following question: The former Chapel of Free Grace was a former mission chapel built in 1859 by St. George's Episcopal Church. Located at 406 East 19th Street it was a gable-fronted steeply pitched masonry Gothic Revival church with a gable rose window. The Evangelical Lutheran Church of Christ (founded 1868) purchased the church building in 1882. 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?
A:
Building