In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.

Example Input: Context: Madiba has lived his life, it is for us to live the legacy. #FarewellTheeMadiba— Jakaya Kikwete (@jmkikwete) December 15, 2013 Question: what did kikwete say it is for us to do? Answer: live the legacy
Example Output: yes

Example Input: Context: This guy did a faceswap with a @Harry_Styles pic so we'd get an idea of how our Hazza looks with a shaved head. Busy BBC Radio1 Breakfast (@R1Breakfast) May 9, 2016 Question: when is a #adaywithoutawoman? Answer: tomorrow
Example Output: no

Example Input: Context: It's been one year since these four boys decided to be strong and stay for us # One Direction (@1DsUniverse) March 25, 2016 Question: how long has it been without zayn? Answer: one year
Example Output:
yes