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.

Ex Input:
Context: This is exhilarating! Almost like climbing a mountain for the first time. Miriam Friedrich (@MiriFriedrich) April 6, 2015 Question: where is alan p. gross? Answer: washington

Ex Output:
no

Ex Input:
Context: And so its goes, thank goodness with the best in Washington, Dr. Neil Starr! Alan P. Gross (@AlanPGross) February 16, 2015 Question: where is alan p. gross? Answer: washington

Ex Output:
yes

Ex Input:
Context: Union federations appalled by gunning down of journalist Oles Buzyna in Kiev - C @EFJEurope @IFJGlobal #media #Ukraine NUJ (@NUJofficial) April 17, 2015 Question: what type of stereotype is @janetmock referring to? Answer: #angryblackwoman

Ex Output:
no