Question:
Who was the head of state of Ukrainian People's Republic in Feb, 1919?

Context:
 Volodymyr Vynnychenko is the head of the state of Ukrainian People's Republic from Dec, 1918 to Feb, 1919. 
 Symon Petliura is the head of the state of Ukrainian People's Republic from Feb, 1919 to Mar, 1921. 
 Mykhailo Hrushevskyi is the head of the state of Ukrainian People's Republic from Mar, 1917 to Apr, 1918.

Answer:
Question:
Who was the head of state of Ukrainian People's Republic in Feb, 1919?

Context:
 Volodymyr Vynnychenko is the head of the state of Ukrainian People's Republic from Dec, 1918 to Feb, 1919. 
 Symon Petliura is the head of the state of Ukrainian People's Republic from Feb, 1919 to Mar, 1921. 
 Mykhailo Hrushevskyi is the head of the state of Ukrainian People's Republic from Mar, 1917 to Apr, 1918.

Answer:
user
Volodymyr Vynnychenko
assistant
Question:
Who was the head of state of Ukrainian People's Republic in Feb, 1919?

Context:
 Volodymyr Vynnychenko is the head of the state of Ukrainian People's Republic from Dec, 1918 to Feb, 1919. 
 Symon Petliura is the head of the state of Ukrainian People's Republic from Feb, 1919 to Mar, 1921. 
 Mykhailo Hrushevskyi is the head of the state of Ukrainian People's Republic from Mar, 1917 to Apr, 1918.

Answer:
user
Symon Petliura
Mykhailo Hrushevskyi
Mykhailo Hrushevskyi
assistant
Question:
Who was the head of state of Ukrainian People's Republic in Feb, 1919?

Context:
 Volodymyr Vynnychenko is the head of the state of Ukrainian People's Republic from Dec, 1918 to Feb, 1919. 
 Symon Petliura is the head of the state of Ukrainian People's Republic from Feb, 1919 to Mar, 1921. 
 Mykhailo Hrushevskyi is the head of the state of Ukrainian People's Republic from Mar, 1917 to Apr, 1918.

Answer:
user
Volodymyr Vynnychenko
assistant