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.

Input: Consider Input: Context : Hans von Freden was born on 18 March 1892 in Berlin. 
Question : In which war did Hans von Freden fought?

Output: conflict


Input: Consider Input: Context : Elections to the European Parliament took place in Slovakia on 24 May 2014. 
Question : The point in time of Elections to the European Parliament was what?

Output: point in time


Input: Consider Input: Context : State testing began on 24 November 1974, and the Kh-25 entered production in 1975. 
Question : What year was the service entry date for Kh-25?


Output: service entry