Question:
Which employer did Edward Slaughter work for in Apr, 1930?

Context:
 Edward Slaughter works for North Carolina State University from Jan, 1927 to Jan, 1931. 
 Edward Slaughter works for University of Virginia from Jan, 1931 to Jan, 1973. 
 Edward Slaughter works for University of Wisconsin–Madison from Jan, 1925 to Jan, 1927.

Answer:
Question:
Which employer did Edward Slaughter work for in Apr, 1930?

Context:
 Edward Slaughter works for North Carolina State University from Jan, 1927 to Jan, 1931. 
 Edward Slaughter works for University of Virginia from Jan, 1931 to Jan, 1973. 
 Edward Slaughter works for University of Wisconsin–Madison from Jan, 1925 to Jan, 1927.

Answer:
user
North Carolina State University
assistant
Question:
Which employer did Edward Slaughter work for in Apr, 1930?

Context:
 Edward Slaughter works for North Carolina State University from Jan, 1927 to Jan, 1931. 
 Edward Slaughter works for University of Virginia from Jan, 1931 to Jan, 1973. 
 Edward Slaughter works for University of Wisconsin–Madison from Jan, 1925 to Jan, 1927.

Answer:
user
University of Virginia
University of Wisconsin–Madison
assistant
Question:
Which employer did Edward Slaughter work for in Apr, 1930?

Context:
 Edward Slaughter works for North Carolina State University from Jan, 1927 to Jan, 1931. 
 Edward Slaughter works for University of Virginia from Jan, 1931 to Jan, 1973. 
 Edward Slaughter works for University of Wisconsin–Madison from Jan, 1925 to Jan, 1927.

Answer:
user
North Carolina State University
assistant