Question:
Which employer did Mario Pieri work for in Aug, 1907?

Context:
 Mario Pieri works for University of Parma from Jan, 1908 to Jan, 1913. 
 Mario Pieri works for University of Catania from Jan, 1900 to Jan, 1908. 
 Mario Pieri works for University of Turin from Jan, 1888 to Jan, 1900.

Answer:
Question:
Which employer did Mario Pieri work for in Aug, 1907?

Context:
 Mario Pieri works for University of Parma from Jan, 1908 to Jan, 1913. 
 Mario Pieri works for University of Catania from Jan, 1900 to Jan, 1908. 
 Mario Pieri works for University of Turin from Jan, 1888 to Jan, 1900.

Answer:
user
University of Catania
assistant
Question:
Which employer did Mario Pieri work for in Aug, 1907?

Context:
 Mario Pieri works for University of Parma from Jan, 1908 to Jan, 1913. 
 Mario Pieri works for University of Catania from Jan, 1900 to Jan, 1908. 
 Mario Pieri works for University of Turin from Jan, 1888 to Jan, 1900.

Answer:
user
University of Parma
University of Turin
assistant
Question:
Which employer did Mario Pieri work for in Aug, 1907?

Context:
 Mario Pieri works for University of Parma from Jan, 1908 to Jan, 1913. 
 Mario Pieri works for University of Catania from Jan, 1900 to Jan, 1908. 
 Mario Pieri works for University of Turin from Jan, 1888 to Jan, 1900.

Answer:
user
University of Catania
assistant