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: In mahabharata who was father of chitrasena vrishsena?

Output: Karna


Input: Consider Input: How much money does tourism bring to canada?

Output: $17.4 billion


Input: Consider Input: The literal meaning of the french phrase trompe l'oeil is?


Output: deceive the eye