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 : Aner Shalev (born 24 January 1958) is a professor at the Einstein Institute of Mathematics at the Hebrew University of Jerusalem, and a writer. 
Question : What is the name university that educated Aner Shalev?

Ex Output:
educated at


Ex Input:
Context : Max Matern (19 January 1902 -- 22 May 1935) was a member of the Communist Party of Germany (KPD). 
Question : Which crime led to the conviction of Max Matern?

Ex Output:
convicted of


Ex Input:
Context : During the 1960s and 1970s a perception of Biggles as unacceptably racially prejudiced, especially considered as children's literature, drove the Biggles books from many public and school libraries. 
Question : In what military organization did Biggles serve?

Ex Output:

military branch