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: #AFCON2015: Eq. Guinea sanctioned following Match 30 Ghana-Equatorial Guinea incidents -- Full Statement: CAF MEDIA (@CAF_Media) February 6, 2015 Question: what was the name of the incidents that caused the sanction? Answer: match 30 ghana-equatorial guinea incident
Example Output: yes

Example Input: Context: Had a very #healthylunch today. The apple definitely made up for the "mystery mush" #ThanksMichelleObama Hunter Whitney (@huntwhitney4) November 13, 2014 Question: what meal did hunter have? Answer: lunch
Example Output: yes

Example Input: Context: Bad performance by Crooked Hillary Clinton! Reading poorly from the telepromter! She doesn't even look presidential! Donald J. Trump (@realDonaldTrump) June 2, 2016 Question: what kind of performance did hilary clinton give? Answer: bad performance
Example Output:
yes