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 : Peder Paulsen Balke was born in Østre Toten in Oppland, Norway. 
Question : What kind of  occupation does Peder Paulsen Balke have?
Example Output: occupation

Example Input: Context : In cryptography, the IDEA NXT algorithm (previously known as FOX) is a block cipher designed by Pascal Junod and Serge Vaudenay of EPFL (Lausanne, Switzerland). 
Question : Which is the basis of IDEA NXT?
Example Output: based on

Example Input: Context : ``How a Bill Becomes a Law'' is the third episode of the fifth season of the American comedy television series Parks and Recreation, and the 71st overall episode of the series. 
Question : Which series is How a Bill Becomes a Law apart of?
Example Output:
series