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 : For decades only Episode 3 of The Enemy of the World was known to have survived erasure, but the five missing episodes were announced as recovered by the BBC on 11 October 2013 along with four of the missing episodes of the following serial, The Web of Fear. 
Question : To which series does The Enemy of the World belong?

Output: series


Input: Consider Input: Context : Matthew Hopkins died at his home in Manningtree, Essex, on 12 August 1647, probably of pleural tuberculosis. 
Question : What medical condition does Matthew Hopkins have?

Output: medical condition


Input: Consider Input: Context : Saya Tin died of tuberculosis on 8 August 1950, and was buried in Yangon. 
Question : Which medical condition afflicts Saya Tin?


Output: medical condition