TASK DEFINITION: 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.
PROBLEM: Context : Chorus Gentlemen is a Canadian music television series which aired on CBC Television from 1965 to 1967. 
Question : On what channel did Chorus Gentlemen first appear?

SOLUTION: original network

PROBLEM: Context : Cristina Dinu (born 18 January 1993 in Bucharest) is a professional Romanian tennis player. 
Question : What city is Cristina Dinu associated with?

SOLUTION: residence

PROBLEM: Context : ``Eggtown'' is the fourth episode of the fourth season and 76th episode overall of the ABC's serial drama television series Lost. 
Question : What series is the episode Eggtown part of?

SOLUTION:
series