Question:
Which political party did Cristovam Buarque belong to in Sep, 2018?

Context:
 Cristovam Buarque is a member of the Cidadania from Jan, 2016 to Dec, 2022. 
 Cristovam Buarque is a member of the Democratic Labour Party from Jan, 2005 to Jan, 2016. 
 Cristovam Buarque is a member of the Workers' Party from Jan, 1990 to Jan, 2005.

Answer:
Question:
Which political party did Cristovam Buarque belong to in Sep, 2018?

Context:
 Cristovam Buarque is a member of the Cidadania from Jan, 2016 to Dec, 2022. 
 Cristovam Buarque is a member of the Democratic Labour Party from Jan, 2005 to Jan, 2016. 
 Cristovam Buarque is a member of the Workers' Party from Jan, 1990 to Jan, 2005.

Answer:
user
Cidadania
assistant
Question:
Which political party did Cristovam Buarque belong to in Sep, 2018?

Context:
 Cristovam Buarque is a member of the Cidadania from Jan, 2016 to Dec, 2022. 
 Cristovam Buarque is a member of the Democratic Labour Party from Jan, 2005 to Jan, 2016. 
 Cristovam Buarque is a member of the Workers' Party from Jan, 1990 to Jan, 2005.

Answer:
user
Democratic Labour Party
Workers' Party
assistant
Question:
Which political party did Cristovam Buarque belong to in Sep, 2018?

Context:
 Cristovam Buarque is a member of the Cidadania from Jan, 2016 to Dec, 2022. 
 Cristovam Buarque is a member of the Democratic Labour Party from Jan, 2005 to Jan, 2016. 
 Cristovam Buarque is a member of the Workers' Party from Jan, 1990 to Jan, 2005.

Answer:
user
Cidadania
assistant