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 : Timelike Infinity is a 1992 science fiction book by Stephen Baxter. 
Question : What series is Timelike Infinity a part of?
Example Output: series

Example Input: Context : Peter Cheeseman died on 27 April 2010 of inanition and vascular dementia, after a long battle with Parkinson's disease. 
Question : What disease did Peter Cheeseman contract?
Example Output: medical condition

Example Input: Context : Ishi (c. 1861 -- March 25, 1916) was the last member of the Yahi, a group of the Yana of the U.S. state of California. 
Question : What disease was a factor in the death of Ishi?
Example Output:
medical condition