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: Idiot censors bleeped Frances McDormand saying "tectonic shift." Do they not know the phrase? #GoldenGlobes— Certifiably Genius Wolf (@iamrachelwolf) January 8, 2018 Question: what is the name of the river? Answer: the cedar river
Example Output: no

Example Input: Context: Congratulations to Roy Moore on his Republican Primary win in Alabama. Luther Strange started way back & ran a good race. Roy, WIN in Dec!— Donald J. Trump (@realDonaldTrump) September 27, 2017 Question: what did ray moore win? Answer: the republican primary in alabama
Example Output: yes

Example Input: Context: We believe in the power of laughter to help end poverty across the globe. #RedNoseDay Kansas City Chiefs (@KCChiefs) May 21, 2015 Question: what is the potus doing that has never been seen before? Answer: snorkeling.
Example Output:
no