Question:
Which employer did Ben Shneiderman work for in Mar, 1971?

Context:
 Ben Shneiderman works for University of Maryland from Jan, 1976 to Jan, 1976. 
 Ben Shneiderman works for Indiana University Bloomington from Jan, 1973 to Jan, 1976. 
 Ben Shneiderman works for Farmingdale State College from Jan, 1968 to Jan, 1972. 
 Ben Shneiderman works for Stony Brook University from Jan, 1972 to Jan, 1973.

Answer:
Question:
Which employer did Ben Shneiderman work for in Mar, 1971?

Context:
 Ben Shneiderman works for University of Maryland from Jan, 1976 to Jan, 1976. 
 Ben Shneiderman works for Indiana University Bloomington from Jan, 1973 to Jan, 1976. 
 Ben Shneiderman works for Farmingdale State College from Jan, 1968 to Jan, 1972. 
 Ben Shneiderman works for Stony Brook University from Jan, 1972 to Jan, 1973.

Answer:
user
Farmingdale State College
assistant
Question:
Which employer did Ben Shneiderman work for in Mar, 1971?

Context:
 Ben Shneiderman works for University of Maryland from Jan, 1976 to Jan, 1976. 
 Ben Shneiderman works for Indiana University Bloomington from Jan, 1973 to Jan, 1976. 
 Ben Shneiderman works for Farmingdale State College from Jan, 1968 to Jan, 1972. 
 Ben Shneiderman works for Stony Brook University from Jan, 1972 to Jan, 1973.

Answer:
user
Stony Brook University
Indiana University Bloomington
University of Maryland
assistant
Question:
Which employer did Ben Shneiderman work for in Mar, 1971?

Context:
 Ben Shneiderman works for University of Maryland from Jan, 1976 to Jan, 1976. 
 Ben Shneiderman works for Indiana University Bloomington from Jan, 1973 to Jan, 1976. 
 Ben Shneiderman works for Farmingdale State College from Jan, 1968 to Jan, 1972. 
 Ben Shneiderman works for Stony Brook University from Jan, 1972 to Jan, 1973.

Answer:
user
Farmingdale State College
assistant