Question:
Which employer did Mitra Dutta work for in Apr, 1982?

Context:
 Mitra Dutta works for Purdue University from Sep, 1981 to Apr, 1983. 
 Mitra Dutta works for United States Army Research Laboratory from Apr, 1986 to Sep, 1995. 
 Mitra Dutta works for Army Research Office from Sep, 1996 to Jul, 2001.

Answer:
Question:
Which employer did Mitra Dutta work for in Apr, 1982?

Context:
 Mitra Dutta works for Purdue University from Sep, 1981 to Apr, 1983. 
 Mitra Dutta works for United States Army Research Laboratory from Apr, 1986 to Sep, 1995. 
 Mitra Dutta works for Army Research Office from Sep, 1996 to Jul, 2001.

Answer:
user
Purdue University
assistant
Question:
Which employer did Mitra Dutta work for in Apr, 1982?

Context:
 Mitra Dutta works for Purdue University from Sep, 1981 to Apr, 1983. 
 Mitra Dutta works for United States Army Research Laboratory from Apr, 1986 to Sep, 1995. 
 Mitra Dutta works for Army Research Office from Sep, 1996 to Jul, 2001.

Answer:
user
United States Army Research Laboratory
Army Research Office
assistant
Question:
Which employer did Mitra Dutta work for in Apr, 1982?

Context:
 Mitra Dutta works for Purdue University from Sep, 1981 to Apr, 1983. 
 Mitra Dutta works for United States Army Research Laboratory from Apr, 1986 to Sep, 1995. 
 Mitra Dutta works for Army Research Office from Sep, 1996 to Jul, 2001.

Answer:
user
Purdue University
assistant