Question:
Who was the chair of Prussian Academy of Arts in Jun, 1919?

Context:
 Karl von Großheim is the chair of Prussian Academy of Arts from Jan, 1910 to Jan, 1910. 
 Ludwig Manzel is the chair of Prussian Academy of Arts from Jan, 1918 to Jan, 1920. 
 Max Liebermann is the chair of Prussian Academy of Arts from Jan, 1920 to Jan, 1932. 
 Max von Schillings is the chair of Prussian Academy of Arts from Jan, 1932 to Jan, 1933.

Answer:
Question:
Who was the chair of Prussian Academy of Arts in Jun, 1919?

Context:
 Karl von Großheim is the chair of Prussian Academy of Arts from Jan, 1910 to Jan, 1910. 
 Ludwig Manzel is the chair of Prussian Academy of Arts from Jan, 1918 to Jan, 1920. 
 Max Liebermann is the chair of Prussian Academy of Arts from Jan, 1920 to Jan, 1932. 
 Max von Schillings is the chair of Prussian Academy of Arts from Jan, 1932 to Jan, 1933.

Answer:
user
Ludwig Manzel
assistant
Question:
Who was the chair of Prussian Academy of Arts in Jun, 1919?

Context:
 Karl von Großheim is the chair of Prussian Academy of Arts from Jan, 1910 to Jan, 1910. 
 Ludwig Manzel is the chair of Prussian Academy of Arts from Jan, 1918 to Jan, 1920. 
 Max Liebermann is the chair of Prussian Academy of Arts from Jan, 1920 to Jan, 1932. 
 Max von Schillings is the chair of Prussian Academy of Arts from Jan, 1932 to Jan, 1933.

Answer:
user
Max von Schillings
Max Liebermann
Karl von Großheim
assistant
Question:
Who was the chair of Prussian Academy of Arts in Jun, 1919?

Context:
 Karl von Großheim is the chair of Prussian Academy of Arts from Jan, 1910 to Jan, 1910. 
 Ludwig Manzel is the chair of Prussian Academy of Arts from Jan, 1918 to Jan, 1920. 
 Max Liebermann is the chair of Prussian Academy of Arts from Jan, 1920 to Jan, 1932. 
 Max von Schillings is the chair of Prussian Academy of Arts from Jan, 1932 to Jan, 1933.

Answer:
user
Ludwig Manzel
assistant