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.

Ex Input:
Context : Ken Liu (born 1976) is an American science-fiction and fantasy writer, poet, lawyer, and computer programmer. 
Question : Which award was honoured to Ken Liu?

Ex Output:
award received


Ex Input:
Context : Rudolf Gerhardt (26 March 1896 -- 10 November 1964) was a highly decorated Oberst in the Wehrmacht during World War II. He was also a recipient of the Knight's Cross of the Iron Cross. 
Question : What award was received by Rudolf Gerhardt?

Ex Output:
award received


Ex Input:
Context : ISIRI 13139 is a standard published by the Institute of Standards and Industrial Research of Iran (ISIRI) in 2011 based on Directive 2009/61/EC. 
Question : Who set the standards for ISIRI 13139?

Ex Output:

standards body