Question:
Which position did Jerry P. Lanier hold in Apr, 2013?

Context:
 Jerry P. Lanier holds the position of United States Ambassador to Sudan from May, 2014 to Feb, 2016. 
 Jerry P. Lanier holds the position of United States Ambassador to Uganda from Jan, 2010 to Jun, 2012. 
 Jerry P. Lanier holds the position of Coordinator for Counterterrorism from Dec, 2012 to Feb, 2014.

Answer:
Question:
Which position did Jerry P. Lanier hold in Apr, 2013?

Context:
 Jerry P. Lanier holds the position of United States Ambassador to Sudan from May, 2014 to Feb, 2016. 
 Jerry P. Lanier holds the position of United States Ambassador to Uganda from Jan, 2010 to Jun, 2012. 
 Jerry P. Lanier holds the position of Coordinator for Counterterrorism from Dec, 2012 to Feb, 2014.

Answer:
user
Coordinator for Counterterrorism
assistant
Question:
Which position did Jerry P. Lanier hold in Apr, 2013?

Context:
 Jerry P. Lanier holds the position of United States Ambassador to Sudan from May, 2014 to Feb, 2016. 
 Jerry P. Lanier holds the position of United States Ambassador to Uganda from Jan, 2010 to Jun, 2012. 
 Jerry P. Lanier holds the position of Coordinator for Counterterrorism from Dec, 2012 to Feb, 2014.

Answer:
user
United States Ambassador to Uganda
United States Ambassador to Sudan
assistant
Question:
Which position did Jerry P. Lanier hold in Apr, 2013?

Context:
 Jerry P. Lanier holds the position of United States Ambassador to Sudan from May, 2014 to Feb, 2016. 
 Jerry P. Lanier holds the position of United States Ambassador to Uganda from Jan, 2010 to Jun, 2012. 
 Jerry P. Lanier holds the position of Coordinator for Counterterrorism from Dec, 2012 to Feb, 2014.

Answer:
user
Coordinator for Counterterrorism
assistant