Please answer the following question: Force Blue -  Force Blue (formerly Big Roi) is a trawler-expedition style luxury yacht built by Royal Denship in 2002. She is presently the world's 78th-largest superyacht 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?
A:
Mean Of Transportation