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.

[EX Q]: 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: how many viewers did the halftime show have? Answer: 118.5 million.
[EX A]: yes

[EX Q]: 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
[EX A]: yes

[EX Q]: Context: Mulder, it's me. Are you ready? MT @MichaelAusiello XF Revival Official @DavidDuchovny & @GillianA Back for 6 New Eps Gillian Anderson (@GillianA) March 24, 2015 Question: how did the police officer die? Answer: in the line of duty
[EX A]:
no