Question:
Who was the chair of National Party of Australia in Feb, 2016?

Context:
 Barnaby Joyce is the chair of National Party of Australia from Feb, 2016 to Feb, 2016. 
 Michael McCormack is the chair of National Party of Australia from Feb, 2016 to Dec, 2022. 
 Warren Truss is the chair of National Party of Australia from Dec, 2007 to Feb, 2016.

Answer:
Question:
Who was the chair of National Party of Australia in Feb, 2016?

Context:
 Barnaby Joyce is the chair of National Party of Australia from Feb, 2016 to Feb, 2016. 
 Michael McCormack is the chair of National Party of Australia from Feb, 2016 to Dec, 2022. 
 Warren Truss is the chair of National Party of Australia from Dec, 2007 to Feb, 2016.

Answer:
user
Barnaby Joyce
assistant
Question:
Who was the chair of National Party of Australia in Feb, 2016?

Context:
 Barnaby Joyce is the chair of National Party of Australia from Feb, 2016 to Feb, 2016. 
 Michael McCormack is the chair of National Party of Australia from Feb, 2016 to Dec, 2022. 
 Warren Truss is the chair of National Party of Australia from Dec, 2007 to Feb, 2016.

Answer:
user
Michael McCormack
Warren Truss
Warren Truss
Michael McCormack
assistant
Question:
Who was the chair of National Party of Australia in Feb, 2016?

Context:
 Barnaby Joyce is the chair of National Party of Australia from Feb, 2016 to Feb, 2016. 
 Michael McCormack is the chair of National Party of Australia from Feb, 2016 to Dec, 2022. 
 Warren Truss is the chair of National Party of Australia from Dec, 2007 to Feb, 2016.

Answer:
user
Barnaby Joyce
assistant