Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Example Input: Context : Thomas Addis Emmet was born in the Hammond's Marsh area of Cork City in 1764 to Dr. Robert Emmet from Tipperary (later to become State Physician of Ireland) and Elizabeth Mason of Kerry, both of whose portraits are today displayed at Cork's Crawford Art Gallery. 
Question : Where did Thomas Addis Emmet study or work?
Example Output: educated at

Example Input: Context : Ishi (c. 1861 -- March 25, 1916) was the last member of the Yahi, a group of the Yana of the U.S. state of California. 
Question : What illness did Ishi suffer from?
Example Output: medical condition

Example Input: Context : The Caledonian Railway 670 Class was a class of 0-4-2 steam locomotives designed by George Brittain for the Caledonian Railway (CR) and introduced in 1878. 
Question : Which was the official year for the approval of Caledonian Railway 670 Class?
Example Output:
service entry