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: The llama chase reminds me of story when I worked in Columbus. Wayward llama was killed by hit and run driver. We called it the llamacide.— Steve Brusk (@stevebruskCNN) February 26, 2015 Question: which kind of animal was killed? Answer: a llama
Example Output: yes

Example Input: Context: Vote for Romney. The only choice for your future. @mittromney @teamromney #mittromney #VOTE #voteromney Stacey Dash (@REALStaceyDash) October 7, 2012 Question: what presidential candidate is the tweeter favorable to? Answer: romney.
Example Output:
yes