SS Seniority - Seniority was an 2876 GRT cargo ship which was built in 1942 as Empire Boswell for the Ministry of War Transport (MoWT). Postwar she was sold into merchant service as Aviswell and Seniority serving until she ran aground on 7 November 1950. Although refloated she sank on 8 November 1950. 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