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 : The first astronomer to record the Butterfly Cluster's existence was Giovanni Battista Hodierna in 1654. 
Question : What constellation is where Butterfly Cluster is?

SOLUTION: constellation

PROBLEM: 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?

SOLUTION: parent company

PROBLEM: Context : The novelist Philip Roth, considered one of Updike's chief literary rivals, wrote that ``John Updike is our time's greatest man of letters, as brilliant a literary critic and essayist as he was a novelist and short story writer. 
Question : What city is John Updike associated with?

SOLUTION:
residence