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 : Paramount Pictures CEO at the time Barry Diller wanted Schneider to produce films for him and agreed to finance Days of Heaven. 
Question : Who was responsible for the direction of Days of Heaven?

Ex Output:
director


Ex Input:
Context : North Tonight was a Scottish nightly regional news programme covering the North of Scotland, produced by STV North (formerly Grampian Television). 
Question : Which network broadcasted North Tonight?

Ex Output:
original network


Ex Input:
Context : The T-35 was developed by the OKMO design bureau of the Bolshevik Factory, which began work on a heavy tank in 1930. 
Question : In what year did T-35 enter service?

Ex Output:

service entry