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.

Example Input: Context : Mission of Honor by David Weber and published on June 22, 2010 by Baen Books, is the twelfth novel set in the Honorverse in the main Honor Harrington series. 
Question : To which series does Mission of Honor belong?
Example Output: series

Example Input: Context : Blackadder Goes Forth is the fourth and final series of the BBC sitcom Blackadder, written by Richard Curtis and Ben Elton, which aired from 28 September to 2 November 1989 on BBC One. 
Question : Where can you find the show Blackadder Goes Forth?
Example Output: original network

Example Input: Context : PSR B1257+12 was discovered by the Polish astronomer Aleksander Wolszczan on February 9, 1990 using the Arecibo radio telescope. 
Question : What constellation is home to PSR B1257+12?
Example Output:
constellation