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.

Q: Context : Directed by Tom Cherones, ``The Ex-Girlfriend'' was the first episode of the show filmed at CBS Studio Center in Los Angeles, California, the previous season having been filmed at Desilu Cahuenga in Hollywood. 
Question : What series is The Ex-Girlfriend from?

A: series
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Q: Context : Lucian Adams was born on October 26, 1922, in Port Arthur, Texas. 
Question : Which award did Lucian Adams get?

A: award received
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Q: Context : DMPI launched its wireless service, known as Sun Cellular, in March 2003. 
Question : Which company is the parent company of Sun Cellular?

A:
parent company
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