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. Charles W. Merrill House - The Samuel Merrill House is a two-story single family residence designed by Walter H. Ratcliff and landscape architect Mabel Symmes and constructed in 1938. It was built for mining engineer and businessman Charles Washington Merrill.
A:
Building