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: AP Top 25 @AP_Top25Swanigan leads No. 21 Purdue past Penn State 77-52 , 7:52:05 PM Question: purdue passed what team with a score of 77-52? Answer: penn state
[EX A]: yes

[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: who broke the half-time record for the super bowl? Answer: katy perry
[EX A]: yes

[EX Q]: Context: My man @Chris_Broussard just reported on @SportsCenter that LeBron's meeting w/Pat Riley could take place in Vegas perhaps as soon as TUES— Marc Stein (@ESPNSteinLine) July 8, 2014 Question: where will lebron's meeting take place? Answer: vegas
[EX A]:
yes