Question:
Which employer did Andreas Acrivos work for in Dec, 1988?

Context:
 Andreas Acrivos works for City College of New York from Jan, 1988 to Jan, 2000. 
 Andreas Acrivos works for University of California, Berkeley from Jan, 1954 to Jan, 1962. 
 Andreas Acrivos works for Stanford University from Jan, 1962 to Jan, 1988.

Answer:
Question:
Which employer did Andreas Acrivos work for in Dec, 1988?

Context:
 Andreas Acrivos works for City College of New York from Jan, 1988 to Jan, 2000. 
 Andreas Acrivos works for University of California, Berkeley from Jan, 1954 to Jan, 1962. 
 Andreas Acrivos works for Stanford University from Jan, 1962 to Jan, 1988.

Answer:
user
City College of New York
assistant
Question:
Which employer did Andreas Acrivos work for in Dec, 1988?

Context:
 Andreas Acrivos works for City College of New York from Jan, 1988 to Jan, 2000. 
 Andreas Acrivos works for University of California, Berkeley from Jan, 1954 to Jan, 1962. 
 Andreas Acrivos works for Stanford University from Jan, 1962 to Jan, 1988.

Answer:
user
University of California, Berkeley
Stanford University
assistant
Question:
Which employer did Andreas Acrivos work for in Dec, 1988?

Context:
 Andreas Acrivos works for City College of New York from Jan, 1988 to Jan, 2000. 
 Andreas Acrivos works for University of California, Berkeley from Jan, 1954 to Jan, 1962. 
 Andreas Acrivos works for Stanford University from Jan, 1962 to Jan, 1988.

Answer:
user
City College of New York
assistant