Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

[Q]: the centre for conflict and peace studies (abbreviated caps) is an independent research organization, which started in july 2006.
[A]: centre for conflict and peace studies


[Q]: john mercer langston (december 14, 1829 – november 15, 1897) was a dean at howard university.
[A]: john mercer langston


[Q]: aesthetics is a branch of philosophy.
[A]:
aesthetics