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: #EbolaQandA My mom is flying into Love Field on Sat. Should she be concerned about catching Ebola? Blackhorse (@RoscoeTheHorse) October 1, 2014 Question: what business was miss cleo in? Answer: phone psychic
Example Output: no

Example Input: Context: Can the Scott adviser who suggesed he boycott debate over fan please report to spin room #FLGovDebate Adam Smith (@adamsmithtimes) October 15, 2014 Question: how did donald trump feel earlier? Answer: shackled
Example Output: no

Example Input: Context: The BATGIRL team (and @DCComics) has worked really hard to make this book for new female readers. This is inconsistent. #ChangeTheCover Matt SantoriGriffith (@FotoCub) March 14, 2015 Question: what team worked hard to make the book for female readers? Answer: batgirl
Example Output:
yes