Question:
Who was the chair of Italian Communist Party in Nov, 1973?

Context:
 Aldo Tortorella is the chair of Italian Communist Party from Jan, 1990 to Jan, 1991. 
 Luigi Longo is the chair of Italian Communist Party from Jan, 1972 to Jan, 1980. 
 Alessandro Natta is the chair of Italian Communist Party from Jan, 1989 to Jan, 1990.

Answer:
Question:
Who was the chair of Italian Communist Party in Nov, 1973?

Context:
 Aldo Tortorella is the chair of Italian Communist Party from Jan, 1990 to Jan, 1991. 
 Luigi Longo is the chair of Italian Communist Party from Jan, 1972 to Jan, 1980. 
 Alessandro Natta is the chair of Italian Communist Party from Jan, 1989 to Jan, 1990.

Answer:
user
Luigi Longo
assistant
Question:
Who was the chair of Italian Communist Party in Nov, 1973?

Context:
 Aldo Tortorella is the chair of Italian Communist Party from Jan, 1990 to Jan, 1991. 
 Luigi Longo is the chair of Italian Communist Party from Jan, 1972 to Jan, 1980. 
 Alessandro Natta is the chair of Italian Communist Party from Jan, 1989 to Jan, 1990.

Answer:
user
Aldo Tortorella
Alessandro Natta
assistant
Question:
Who was the chair of Italian Communist Party in Nov, 1973?

Context:
 Aldo Tortorella is the chair of Italian Communist Party from Jan, 1990 to Jan, 1991. 
 Luigi Longo is the chair of Italian Communist Party from Jan, 1972 to Jan, 1980. 
 Alessandro Natta is the chair of Italian Communist Party from Jan, 1989 to Jan, 1990.

Answer:
user
Luigi Longo
assistant