Question:
Which political party did Ulrike Trebesius belong to in Feb, 2016?

Context:
 Ulrike Trebesius is a member of the Alternative for Germany from Apr, 2013 to Jul, 2015. 
 Ulrike Trebesius is a member of the Liberal Conservative Reformers from Jul, 2015 to Sep, 2018. 
 Ulrike Trebesius is a member of the independent politician from Oct, 2018 to Dec, 2022.

Answer:
Liberal Conservative Reformers