Question:
Who was the chair of German Wood Workers' Union in Apr, 1906?

Context:
 Karl Kloß is the chair of German Wood Workers' Union from Jan, 1893 to Jan, 1908. 
 Fritz Tarnow is the chair of German Wood Workers' Union from Jan, 1920 to May, 1933. 
 Theodor Leipart is the chair of German Wood Workers' Union from Jan, 1908 to Jan, 1919.

Answer:
Question:
Who was the chair of German Wood Workers' Union in Apr, 1906?

Context:
 Karl Kloß is the chair of German Wood Workers' Union from Jan, 1893 to Jan, 1908. 
 Fritz Tarnow is the chair of German Wood Workers' Union from Jan, 1920 to May, 1933. 
 Theodor Leipart is the chair of German Wood Workers' Union from Jan, 1908 to Jan, 1919.

Answer:
user
Karl Kloß
assistant
Question:
Who was the chair of German Wood Workers' Union in Apr, 1906?

Context:
 Karl Kloß is the chair of German Wood Workers' Union from Jan, 1893 to Jan, 1908. 
 Fritz Tarnow is the chair of German Wood Workers' Union from Jan, 1920 to May, 1933. 
 Theodor Leipart is the chair of German Wood Workers' Union from Jan, 1908 to Jan, 1919.

Answer:
user
Theodor Leipart
Fritz Tarnow
assistant
Question:
Who was the chair of German Wood Workers' Union in Apr, 1906?

Context:
 Karl Kloß is the chair of German Wood Workers' Union from Jan, 1893 to Jan, 1908. 
 Fritz Tarnow is the chair of German Wood Workers' Union from Jan, 1920 to May, 1933. 
 Theodor Leipart is the chair of German Wood Workers' Union from Jan, 1908 to Jan, 1919.

Answer:
user
Karl Kloß
assistant