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 : Prom-asaurus attracted 6.67 million American viewers during its initial airing and received a 2.7/8 Nielsen rating/share in the 18--49 demographic, up significantly from the 2.5/8 rating/share and 6.01 million viewers of the previous episode, ``Choke'', which was broadcast on May 1, 2012. 
Question : What is the series that Prom-asaurus is a part of?
Example Output: series

Example Input: Context : Years later, Russ Regan publicly disclosed his surprise and confusion that Dahlstrom's albums had not been high profile successes, saying, ``In my career there are two female singer/songwriters who I signed, that should've been stars, Patti Dahlstrom and Harriet Schock''. 
Question : Which sex is Patti Dahlstrom?
Example Output: sex or gender

Example Input: Context : Rolf Rocholl was killed on 23 August 1943 near Izium, Ukraine. 
Question : Which award did Rolf Rocholl get?
Example Output:
award received