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: @M_Allenberg of @FortMacToday tries on the #hijab #YMM WorldHijabDayYMM (@WHDYMM) February 1, 2015 Question: what does @m_allenberg represent? Answer: @fortmactoday
Example Output: yes

Example Input: Context: Today we honor Martin Luther King and rededicate ourselves to all he stood for mia farrow (@MiaFarrow) January 20, 2014 Question: what d o we rededicate ourselves to? Answer: all he stood for
Example Output: yes

Example Input: Context: This is key: @DrFriedenCDC says viral hemorrhagic fever has never been transmitted in the USA. Our health system can isolate. — Mark Leon Goldberg (@MarkLGoldberg) September 30, 2014 Question: what fever has never been transmitted in the usa? Answer: viral hemorrhagic fever
Example Output:
yes