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 : Georg Klusemann's paintings and etchings have been the object of more than 40 exhibitions in France, Spain, Italy, Germany, Venezuela and the U.S.A. The major retrospectives have taken place at the Museum Folkwang in Essen, the Kunstverein für die Rheinlande und Westfalen in Düsseldorf, at the Goethe-Institut New York, at the Bagatti Valsecchi Museum in Milan and at the Museo d'arte contemporanea Villa Croce in Genua. 
Question : Which is the date of death for Georg Klusemann?
Example Output: date of death

Example Input: Context : A Rum Collins is a cocktail based on the Tom Collins substituting a light rum for the gin. 
Question : Which is the basis of Rum Collins?
Example Output: based on

Example Input: Context : The SIG SG 510 or Sturmgewehr 57 is a selective fire battle rifle manufactured by Schweizerische Industrie Gesellschaft (now SAN Swiss Arms) of Switzerland. 
Question : What year was SIG SG 510 introduced?
Example Output:
service entry