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: Karl Rove is a total loser. Money given to him might as well be thrown down the drain.— Donald J. Trump (@realDonaldTrump) February 7, 2013 Question: who is a total loser? Answer: karl rove
Example Output: yes

Example Input: Context: Following Monday's Russian #doping allegations, do you still have trust in track and field?— CNN Sport (@cnnsport) November 10, 2015 Question: how many hours was the lucky woman stuck in the 5th floor building? Answer: 36 hours
Example Output: no

Example Input: Context: HOUSTON TEXAS my prayers are wit you! I just sent 25k your way to help all the families in need 🙏🏽 @kevinhart4real I accepted your challenge DJ KHALED (@djkhaled) August 29, 2017 Question: who is wendy lee tweeting at? Answer: cnnafrica
Example Output:
no