Question:
Which employer did Bill Ferrar work for in Jan, 1924?

Context:
 Bill Ferrar works for Hertford College from Jan, 1925 to Jan, 1964. 
 Bill Ferrar works for Bangor University from Jan, 1920 to Jan, 1924. 
 Bill Ferrar works for University of Edinburgh from Jan, 1924 to Jan, 1925.

Answer:
Question:
Which employer did Bill Ferrar work for in Jan, 1924?

Context:
 Bill Ferrar works for Hertford College from Jan, 1925 to Jan, 1964. 
 Bill Ferrar works for Bangor University from Jan, 1920 to Jan, 1924. 
 Bill Ferrar works for University of Edinburgh from Jan, 1924 to Jan, 1925.

Answer:
user
University of Edinburgh
assistant
Question:
Which employer did Bill Ferrar work for in Jan, 1924?

Context:
 Bill Ferrar works for Hertford College from Jan, 1925 to Jan, 1964. 
 Bill Ferrar works for Bangor University from Jan, 1920 to Jan, 1924. 
 Bill Ferrar works for University of Edinburgh from Jan, 1924 to Jan, 1925.

Answer:
user
Hertford College
Hertford College
Bangor University
assistant
Question:
Which employer did Bill Ferrar work for in Jan, 1924?

Context:
 Bill Ferrar works for Hertford College from Jan, 1925 to Jan, 1964. 
 Bill Ferrar works for Bangor University from Jan, 1920 to Jan, 1924. 
 Bill Ferrar works for University of Edinburgh from Jan, 1924 to Jan, 1925.

Answer:
user
University of Edinburgh
assistant