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: Not rdy for the attention, but happy to show it takes all types to make @marscuriosity ! If only my coworkers wld stop making fun of me ;)— Bobak F. (@tweetsoutloud) August 6, 2012 Question: what did bobak help make? Answer: @marscuriosity
Example Output: yes

Example Input: Context: Expansion of #BEAM stopped for today; will resume tomorrow after ground teams review data: NASA (@NASA) May 26, 2016 Question: what will happen after the ground teams review their data? Answer: the expansion of beam will continue.
Example Output: yes

Example Input: Context: My beautiful friend John Blackwell passed away 2day Plz keep his family in prayer. He was amazing manLuv u my brother SheilaEdrummer (@SheilaEdrummer) July 4, 2017 Question: why are we asking this question? Answer: to waste time.
Example Output:
no