Given the question: LNER class D41 - The London and North Eastern Railway (LNER) D41 class is a type of 4-4-0 steam locomotive inherited from the Great North of Scotland Railway (GNSR). The class consisted of two similar GNSR classes: 'S' (introduced in 1893 and designed by James Johnson and 'T' (introduced in 1895 and designed by William Pickersgill. The two classes were similar but with detail differences to the boiler. 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