The Dark at the Top of the Stairs is a 1957 play by William Inge about family conflicts during the early 1920s in a small Oklahoma town. It was nominated for the Tony Award for Best Play in 1958 and was made into a film in 1960. 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?
Film