instruction:
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.
question:
Context : America Tang is a business entrepreneur, a singer and a philanthropist. 
Question : What city is America Tang from?
answer:
residence


question:
Context : Edna Andrade (January 25, 1917 Portsmouth, Virginia - April 17, 2008 Philadelphia) was an American abstract artist. 
Question : Was Edna Andrade male or female?
answer:
sex or gender


question:
Context : Michael Melkonian (born 1948 in Hamburg) is a German botanist and professor of botany at the University of Cologne. 
Question : What is the name university that educated Michael Melkonian?
answer:

educated at