Please answer the following question: Viação Aérea Arco-Íris -  Viação Aérea Arco-Íris S.A. was a Brazilian airline founded in 1945. Flight operations ceased in 1948. 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:
Company