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 : Following ``The Hawking Excitation'', there was a three-week break before the next episode, ``The Stag Convergence'', aired. 
Question : What series is the episode The Hawking Excitation part of?

Output: series


Input: Consider Input: Context : La Gare de Perpignan (Perpignan Train Station) is a 1965 large-scale oil on canvas painting by the Spanish surrealist Salvador Dalí, on display in the Museum Ludwig in Cologne. 
Question : What is the name of the place where La Gare de Perpignan can be found?


Output: collection