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: I have cerebral palsy #iamapreexistingcondition I deserve health care— Casey Green (@caseylgreen09) May 4, 2017 Question: what is it that casey has? Answer: cerebral palsy
Example Output: yes

Example Input: Context: We're airborne as @CNN flies TOWARD a raging tropical storm heading toward Fla. over the Gulf of Mexico #avgeek Thom Patterson (@thompatterson) September 1, 2016 Question: who flew toward a raging tropical storm? Answer: @cnn
Example Output: yes

Example Input: Context: #Raqqa #ISIS bans any unmarried woman aged over 30 from departing town even if she's to be accompanied by her legal guardian (Muhram)— الرقة تذبح بصمت (@Raqqa_Sl) December 15, 2014 Question: what is the age limit for unmarried women departing raqqa? Answer: over 30
Example Output:
yes