In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Input: Consider Input: Kathakali is the dance form of which state?

Output: Kerala


Input: Consider Input: Journal of optics a pure and applied optics abbreviation?

Output: J. Opt.


Input: Consider Input: Who has the most twitter followers in america?


Output: Barack Obama