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: When you can take a selfie with three US Presidents, you do it!! — Tim Mickelson (@goodwalkspoiled) September 28, 2017 Question: how many us presidents did he take a selfie with? Answer: three
Example Output: yes

Example Input: Context: Nature does dams too. They are just sliiiightly smaller than the ones I saw upstream. #endangeredriver John D. Sutter (@jdsutter) June 23, 2014 Question: what situation is bahai in? Answer: in some kind of captivity.
Example Output: no

Example Input: Context: Barrett Sallee @BarrettSalleeNiece and nephew (UF fans) staying with us. 6YO says "We like Florida Gators." My 5YO says "Florida Gators yell at… , 12:42:18 AM Question: who are the uf fans? Answer: niece & nephew
Example Output:
yes