Question:
Which employer did J. H. C. Whitehead work for in May, 1927?

Context:
 J. H. C. Whitehead works for Government of the United Kingdom from Jan, 1941 to Jan, 1945. 
 J. H. C. Whitehead works for Buckmaster & Moore from Jan, 1927 to Jan, 1928. 
 J. H. C. Whitehead works for University of Oxford from Jan, 1945 to Jan, 1960. 
 J. H. C. Whitehead works for Balliol College from Jan, 1932 to Jan, 1941.

Answer:
Question:
Which employer did J. H. C. Whitehead work for in May, 1927?

Context:
 J. H. C. Whitehead works for Government of the United Kingdom from Jan, 1941 to Jan, 1945. 
 J. H. C. Whitehead works for Buckmaster & Moore from Jan, 1927 to Jan, 1928. 
 J. H. C. Whitehead works for University of Oxford from Jan, 1945 to Jan, 1960. 
 J. H. C. Whitehead works for Balliol College from Jan, 1932 to Jan, 1941.

Answer:
user
Buckmaster & Moore
assistant
Question:
Which employer did J. H. C. Whitehead work for in May, 1927?

Context:
 J. H. C. Whitehead works for Government of the United Kingdom from Jan, 1941 to Jan, 1945. 
 J. H. C. Whitehead works for Buckmaster & Moore from Jan, 1927 to Jan, 1928. 
 J. H. C. Whitehead works for University of Oxford from Jan, 1945 to Jan, 1960. 
 J. H. C. Whitehead works for Balliol College from Jan, 1932 to Jan, 1941.

Answer:
user
Government of the United Kingdom
University of Oxford
Balliol College
assistant
Question:
Which employer did J. H. C. Whitehead work for in May, 1927?

Context:
 J. H. C. Whitehead works for Government of the United Kingdom from Jan, 1941 to Jan, 1945. 
 J. H. C. Whitehead works for Buckmaster & Moore from Jan, 1927 to Jan, 1928. 
 J. H. C. Whitehead works for University of Oxford from Jan, 1945 to Jan, 1960. 
 J. H. C. Whitehead works for Balliol College from Jan, 1932 to Jan, 1941.

Answer:
user
Buckmaster & Moore
assistant