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: Fabrizio is receiving treatment after being struck on the head by a ball on the 16th hole. Glad to say he is ok though and we wish him well— The European Tour (@EuropeanTour) September 11, 2014 Question: who is receiving treatment? Answer: fabrizio
Example Output: yes

Example Input: Context: It hurts to see this picture. Church of #SanBenedetto in #Norcia collapsed after the #earthquake of this morning. #umbria #octber30th2016 Barbara D'Agapiti (@winelinkitaly) October 30, 2016 Question: who couldn't pronounce hamas? Answer: ben carson
Example Output: no

Example Input: Context: In honor of "Labor" Day...Ace & Penny would like to make an announcement. Their parents couldn't be happier! Carrie Underwood (@carrieunderwood) September 1, 2014 Question: what type of photography has been completed? Answer: principal
Example Output:
no