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.

[EX Q]: Context : However, in 644, Hormuzan was killed by Umar's son 'Ubaid-Allah, after an involvement in a plot which killed Umar. 
Question : Which war did Hormuzan participate in?
[EX A]: conflict

[EX Q]: Context : Bernard Rubin (6 December 1896 -- 27 June 1936) was an Australian born racing driver and pilot who was a member of the ``Bentley Boys'' team at the Bentley Motor Company and winner of the 1928 24 Hours of Le Mans. 
Question : What medical condition does Bernard Rubin have?
[EX A]: medical condition

[EX Q]: Context : Pact of Espino Negro (1927) was an agreement developed by the United States to resolve the 1926-1927 civil war in Nicaragua 
Question : What date is associated with Pact of Espino Negro?
[EX A]:
point in time