Given the question: WAGR S class - The WAGR S Class is a class of 1067mm narrow gauge 4-8-2 Mountain-type steam locomotives built by the Western Australian Government Railways with construction beginning in 1943. The class was initially intended for service on both passenger and goods services on the Eastern Goldfields Railway between Perth and Kalgoorlie though following the Second World War they worked primarily on the South West mainline. 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?
The answer is:
Mean Of Transportation