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. Phoenix (fireboat) - Phoenix is a fireboat owned by State of California and operated by the city of San Francisco in the San Francisco Bay since 1955. Phoenix is known for helping to save Marina District buildings from further destruction by fire following the 1989 Loma Prieta earthquake. Her worthy assistance resulted in a second vintage fireboat obtained for the city. Both Guardian and Phoenix are based at Firehouse No. 35 at Pier 22 of the Port of San Francisco.
Answer:
Mean Of Transportation