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 : ``Devil's Triad'' is the tenth episode of the eleventh season of the American police procedural drama NCIS, and the 244th episode overall. 
Question : Of what series is Devil's Triad a part of?

A: series
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Q: 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?

A: constellation
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Q: Context : ``Go Big or Go Home'' was the first original episode since ``Freddy Spaghetti'' in May 2010, and executive producer Michael Schur said while he believed it was a strong episode, there were fears the hiatus would hurt the momentum of the series: ``Of course, any time you're not on the air, you run the risk of people forgetting about you; that's the sad thing about the mid-season show.'' 
Question : What is the series called that Go Big or Go Home belongs to?

A:
series
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