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 : Pointe du Hoc (French pronunciation: ​(pwɛ̃t dy ɔk)) is a promontory with a 100 ft (30 m) cliff overlooking the English Channel on the coast of Normandy in northern France. 
Question : When did Pointe du Hoc occurr?
Example Output: point in time

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 : Vizefeldwebel Oskar Hennrich was a German World War I flying ace credited with 20 aerial victories. 
Question : In which war did Oskar Hennrich fought?
Example Output:
conflict