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: Nobody can deny @realDonaldTrump uncovered a 14 year long 9/11 cover-up re: celebrations on Jersey City rooftops. Daniel Scavino Jr. (@DanScavino) December 2, 2015 Question: who uncovered a 14-year long 9/11 cover-up? Answer: donald trump
Example Output: yes

Example Input: Context: Philae:10 years in transitLanded on cometBounced (x2)Stuck in shadeSCIENCED ANYWAYLost powerWaitedOne month to goFOUND BY ROSETTA Katie Mack (@AstroKatie) September 5, 2016 Question: who gives him strength? Answer: loved ones
Example Output: no

Example Input: Context: I am so sad to hear about Mychael Knight. When he appeared on #ProjectRunway he was the sweetest guy, full of life, ambition & talent. #rip Andy Cohen (@Andy) October 17, 2017 Question: where does andy cohen know mychael knight from? Answer: knight appeared on project runway.
Example Output:
yes