instruction:
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.
question:
Context : ``Devil's Triad'' is the tenth episode of the eleventh season of the American police procedural drama NCIS, and the 244th episode overall. 
Question : Of what series is Devil's Triad a part of?
answer:
series


question:
Context : Cadbury is headquartered in Uxbridge, Greater London and operates in more than fifty countries worldwide. 
Question : Which company is the parent company of Cadbury?
answer:
parent company


question:
Context : Bernard Rubin died in England of pulmonary tuberculosis in 1936. 
Question : What was Bernard Rubin's medical condition near the end of his life?
answer:

medical condition