Instructions: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Input: Context: John Ker 3rd Duke of Roxburghe KG KT PC (23 April 1740 1804) was a Scottish nobleman and bibliophile.Born in Hanover Square London on 23 April 1740 Ker succeeded his father to become the 3rd Duke of Roxburghe in 1755. During his Grand Tour in 1761 he fell in love with Christina Sophia Albertina oldest daughter of the Duke of Mecklenburg-Strelitz. This would have been a perfect match of social equals.
Question: The document can be classified to which topic?
Options: 1)MeanOfTransportation, 2)Athlete, 3)Village, 4)OfficeHolder
Output:
4