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: In India getting ready to sail with Nashwa tomorrow from Mumbai to Muscat. Have had amazing help from our driver. Hilary Lister (@HilaryLister) March 10, 2014 Question: who is the subject of her tweet? Answer: nelson mandela dying.
Example Output: no

Example Input: Context: Don't know why the #UN just rejected #WonderWoman as an ambassador. Guess strong women still aren't acccepted yet. JB, travel-sized (@JBLite) December 13, 2016 Question: who does @jblite believe are not accepted yet? Answer: strong women
Example Output: yes

Example Input: Context: Did you miss the first half? Here's what it looked like on our live blog: #CNNWorldCup CNN Football Club (@CNNFC) July 8, 2014 Question: what color was shown even more vividly? Answer: red
Example Output:
no