TASK DEFINITION: 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.
PROBLEM: 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?

SOLUTION: award received

PROBLEM: Context : For decades only Episode 3 of The Enemy of the World was known to have survived erasure, but the five missing episodes were announced as recovered by the BBC on 11 October 2013 along with four of the missing episodes of the following serial, The Web of Fear. 
Question : To which series does The Enemy of the World belong?

SOLUTION: series

PROBLEM: Context : Jocelyn Pook wrote the original music for Eyes Wide Shut, but like other Kubrick movies the film was noted for its usage of classical music. 
Question : The Eyes Wide Shut is based upon what?

SOLUTION:
based on