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: Home sweet home, great weekend in #saumur so many good memories and a brilliant way to start the season :) Joanne Eccles (@joanne_eccles) April 22, 2014 Question: who are closing in on him? Answer: regime forces
Example Output: no

Example Input: Context: So many people have told me that I should host Meet the Press and replace the moron who is on now. Just too busy, especially next 10 years!— Donald J. Trump (@realDonaldTrump) January 27, 2015 Question: what can't jonathan gruber shake off? Answer: obamacare deceptions
Example Output: no

Example Input: Context: #Tavurvur this AM, #Rabaul district affected so far, @BurnetInstitute staff all ok, hoping all closer got out #PNG. Shelley Hendel (@Shelleyjlh) August 29, 2014 Question: what district is affected by tavurvur? Answer: rabaul
Example Output:
yes