Question:
Which political party did Gustavo Petro belong to in Sep, 2018?

Context:
 Gustavo Petro is a member of the Alternative Way from Jan, 1998 to Jan, 2002. 
 Gustavo Petro is a member of the Regional Integration Movement from Jan, 2002 to Jan, 2004. 
 Gustavo Petro is a member of the Alternative Democratic Pole from Jan, 2005 to Jan, 2010. 
 Gustavo Petro is a member of the Colombia humana (centroizquierda) from Jan, 2011 to Dec, 2022.

Answer:
Question:
Which political party did Gustavo Petro belong to in Sep, 2018?

Context:
 Gustavo Petro is a member of the Alternative Way from Jan, 1998 to Jan, 2002. 
 Gustavo Petro is a member of the Regional Integration Movement from Jan, 2002 to Jan, 2004. 
 Gustavo Petro is a member of the Alternative Democratic Pole from Jan, 2005 to Jan, 2010. 
 Gustavo Petro is a member of the Colombia humana (centroizquierda) from Jan, 2011 to Dec, 2022.

Answer:
user
Colombia humana (centroizquierda)
assistant
Question:
Which political party did Gustavo Petro belong to in Sep, 2018?

Context:
 Gustavo Petro is a member of the Alternative Way from Jan, 1998 to Jan, 2002. 
 Gustavo Petro is a member of the Regional Integration Movement from Jan, 2002 to Jan, 2004. 
 Gustavo Petro is a member of the Alternative Democratic Pole from Jan, 2005 to Jan, 2010. 
 Gustavo Petro is a member of the Colombia humana (centroizquierda) from Jan, 2011 to Dec, 2022.

Answer:
user
Regional Integration Movement
Alternative Way
Alternative Democratic Pole
assistant
Question:
Which political party did Gustavo Petro belong to in Sep, 2018?

Context:
 Gustavo Petro is a member of the Alternative Way from Jan, 1998 to Jan, 2002. 
 Gustavo Petro is a member of the Regional Integration Movement from Jan, 2002 to Jan, 2004. 
 Gustavo Petro is a member of the Alternative Democratic Pole from Jan, 2005 to Jan, 2010. 
 Gustavo Petro is a member of the Colombia humana (centroizquierda) from Jan, 2011 to Dec, 2022.

Answer:
user
Colombia humana (centroizquierda)
assistant