instruction:
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.
question:
Context : According to Nielsen Media Research, ``Leslie's House'' was seen by 4.35 million viewers, a slight drop from the previous episode, ``The Set Up''. 
Question : To which series does Leslie's House belong?
answer:
series


question:
Context : HD 13931 is an 8th magnitude G-type star located approximately 144 light years away in the constellation Andromeda. 
Question : What constellation is HD 13931 a part of?
answer:
constellation


question:
Context : ``The Pre-Nup'' is the second episode of the eighth season of the CBS sitcom How I Met Your Mother, and the 162nd episode overall. 
Question : The The Pre-Nup was in what series?
answer:

series