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 : The main product offered by Virgin Media Ireland is cable and MMDS (``wireless cable'') television services, in analogue, and SD and HD digital formats, using DVB-C encrypted using Nagravision. 
Question : What is Virgin Media Ireland's parent company?
Example Output: parent company

Example Input: Context : Francis Heaulme (born February 25, 1959 at Metz) is a French serial killer dubbed the ``Criminal Backpacker''. 
Question : Which crime led to the conviction of Francis Heaulme?
Example Output: convicted of

Example Input: Context : ``Mr. Lisa Goes to Washington'' and the episode ``When Flanders Failed'' were released on videocassette in 1999, entitled The Best of the Simpsons. 
Question : What series is Mr. Lisa Goes to Washington a part of?
Example Output:
series