Given the question: 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. WAGR Pm and Pmr classes - The WAGR Pm and Pmr classes were two classes of 4-6-2 tender engine steam locomotives used by the Western Australian Government Railways (WAGR) between 1950 and the early 1970s.
The answer is:
Mean Of Transportation