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 : Grace Darling died of tuberculosis in October 1842, aged 26. 
Question : Which medical condition afflicts Grace Darling?
Example Output: medical condition

Example Input: Context : In 622, the year of Muhammad's migration to Yathrib (now Medina), Ali risked his life by sleeping in Muhammad's bed to impersonate him and thwart an assassination plot so that Muhammad could escape in safety. 
Question : What is Ali's spouse's name?
Example Output: spouse

Example Input: Context : Zanuck financed an epic faithful to the era, with a £100,000 stake, deciding on the name, Those Magnificent Men in their Flying Machines after Elmo Williams, managing director of 20th Century Fox in Europe, told him his wife had written an opening for a song that Annakin complained would ``seal the fate of the movie'': 
Question : What production company was involved in Those Magnificent Men in their Flying Machines?
Example Output:
production company