George Charles Spencer-Churchill 8th Duke of Marlborough DL (13 May 1844 – 9 November 1892) styled Earl of Sunderland until 1857 and Marquess of Blandford between 1857 and 1883 was a British peer. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Office Holder

Chelonistele is a genus of the orchid family consisting of five species which ranges from South Asia to South-East Asia especially Java. The plant grows as an epiphytic or lithophytic orchid. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Plant

Ocotea usambarensis is a species of Ocotea (family Lauraceae) native to eastern Africa in Kenya Tanzania and locally in Uganda where it occurs at 1600-2600 m altitude in high rainfall montane cloud forest. Common names include East African camphorwood mkulo (Tanzania) mwiha (Uganda) muwong and maasi.It is a large evergreen tree growing to 35 m (exceptionally 45 m) tall with fast growth (up to 2 m per year) when young. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Plant

The Caledonian Railway 179 Class (nicknamed Oban bogie) was a class of 4-4-0 steam locomotives designed by George Brittain for the Caledonian Railway (CR) and introduced in 1882. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Mean Of Transportation