In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Example Input: Context: The Board also announced the signing of Marc-André Ter Stegen and the return of the on loan @Rafinha and @gerardeulofeu #fcblive— FC Barcelona (@FCBarcelona) May 19, 2014 Question: who announced the new signing? Answer: minority
Example Output: no

Example Input: Context: I think Lleyton #Hewitt deserves a monument in Melbourne park for his fighting spirit and effort every time he plays! Impressive #19Ausopens— victoria azarenka (@vika7) January 20, 2015 Question: why does lleyton #hewitt deserve a monument? Answer: his fighting spirit
Example Output: yes

Example Input: Context: Cheryl Boone-Isaacs: "...we can shape a future of which all of us can be proud." #Oscars CNN (@CNN) February 29, 2016 Question: who is the president of the group that awards oscars? Answer: ludacris
Example Output:
no