Question:
Who was the head of state of Nazi Germany in Mar, 1945?

Context:
 Paul von Hindenburg is the head of the state of Nazi Germany from May, 1925 to Aug, 1934. 
 Adolf Hitler is the head of the state of Nazi Germany from Aug, 1934 to Apr, 1945. 
 Karl Dönitz is the head of the state of Nazi Germany from Apr, 1945 to May, 1945.

Answer:
Question:
Who was the head of state of Nazi Germany in Mar, 1945?

Context:
 Paul von Hindenburg is the head of the state of Nazi Germany from May, 1925 to Aug, 1934. 
 Adolf Hitler is the head of the state of Nazi Germany from Aug, 1934 to Apr, 1945. 
 Karl Dönitz is the head of the state of Nazi Germany from Apr, 1945 to May, 1945.

Answer:
user
Adolf Hitler
assistant
Question:
Who was the head of state of Nazi Germany in Mar, 1945?

Context:
 Paul von Hindenburg is the head of the state of Nazi Germany from May, 1925 to Aug, 1934. 
 Adolf Hitler is the head of the state of Nazi Germany from Aug, 1934 to Apr, 1945. 
 Karl Dönitz is the head of the state of Nazi Germany from Apr, 1945 to May, 1945.

Answer:
user
Karl Dönitz
Paul von Hindenburg
assistant
Question:
Who was the head of state of Nazi Germany in Mar, 1945?

Context:
 Paul von Hindenburg is the head of the state of Nazi Germany from May, 1925 to Aug, 1934. 
 Adolf Hitler is the head of the state of Nazi Germany from Aug, 1934 to Apr, 1945. 
 Karl Dönitz is the head of the state of Nazi Germany from Apr, 1945 to May, 1945.

Answer:
user
Adolf Hitler
assistant