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 : Rhythm Is It! is a 2004 German documentary film directed by Thomas Grube and Enrique Sánchez Lansch. 
Question : Under whose direction was Rhythm Is It! produced?
Example Output: director

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 : Hiroyuki Kai (born 17 July 1978) is a retired Japanese male volleyball player. 
Question : What gender is Hiroyuki Kai?
Example Output:
sex or gender