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.
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Question: Context : What later became known as the Whirlpool Galaxy was discovered on October 13, 1773 by Charles Messier while hunting for objects that could confuse comet hunters, and was designated in Messier's catalogue as M51. 
Question : The star Whirlpool Galaxy is part of the constellation known as what?

Answer: constellation


Question: Context : The film's haunting song, ``Golden Earrings'', sung in the movie by Murvyn Vye, was a hit recording in 1947-48 by Peggy Lee. 
Question : Which production company is involved with Golden Earrings?

Answer: production company


Question: Context : BWIA West Indies Airways Limited, known locally as ``Bee-wee'', was the national airline based in Trinidad and Tobago. 
Question : What is BWIA West Indies Airways's parent company?

Answer:
parent company