Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

[Q]: concept: Vincent Van Gogh  question:  what art movement does vincent van gogh belong to?
[A]: ['Post-Impressionism']


[Q]: concept: Czech Republic  question:  what do people in the czech republic speak?
[A]: ['Czech Language']


[Q]: concept: American Federation Of Labor  question:  who helped form the american federation of labor?
[A]:
Samuel Gompers