Question:
Which political party did Omar Aziz belong to in May, 1999?

Context:
 Omar Aziz is a member of the Social Democratic Party from Jan, 2011 to Dec, 2022. 
 Omar Aziz is a member of the Liberal Front Party from Jan, 1996 to Jan, 2004. 
 Omar Aziz is a member of the Party of National Mobilization from Jan, 2004 to Jan, 2011.

Answer:
Question:
Which political party did Omar Aziz belong to in May, 1999?

Context:
 Omar Aziz is a member of the Social Democratic Party from Jan, 2011 to Dec, 2022. 
 Omar Aziz is a member of the Liberal Front Party from Jan, 1996 to Jan, 2004. 
 Omar Aziz is a member of the Party of National Mobilization from Jan, 2004 to Jan, 2011.

Answer:
user
Liberal Front Party
assistant
Question:
Which political party did Omar Aziz belong to in May, 1999?

Context:
 Omar Aziz is a member of the Social Democratic Party from Jan, 2011 to Dec, 2022. 
 Omar Aziz is a member of the Liberal Front Party from Jan, 1996 to Jan, 2004. 
 Omar Aziz is a member of the Party of National Mobilization from Jan, 2004 to Jan, 2011.

Answer:
user
Social Democratic Party
Party of National Mobilization
assistant
Question:
Which political party did Omar Aziz belong to in May, 1999?

Context:
 Omar Aziz is a member of the Social Democratic Party from Jan, 2011 to Dec, 2022. 
 Omar Aziz is a member of the Liberal Front Party from Jan, 1996 to Jan, 2004. 
 Omar Aziz is a member of the Party of National Mobilization from Jan, 2004 to Jan, 2011.

Answer:
user
Liberal Front Party
assistant