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.
--------
Question: 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

Answer: yes

Question: Context: One of the coolest things I've seen in my life. Woke up to the explosions - Volcan de Fuego, Guatemala. Brad Guay (@BradGuayWX) July 9, 2017 Question: what woke brad up? Answer: explosions

Answer: yes

Question: Context: Boom, boom, BOOM! Katy Perry broke the halftime show record with 118.5 million viewers. The game had a record 114.4M Brian A. Hernandez (@BAHjournalist) February 2, 2015 Question: who did paul ryan ask thoughts for? Answer: matthew

Answer:
no