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: taylor.boards.net (@TSfanforum) November 15, 2017 Question: what time was this tweeted? Answer: 7:37 pm
[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: Ken Rosenthal @Ken_RosenthalSource: Hurdles remain in Phillips talks between #Braves and #Reds. BP must be cleared medically. Injured left hand near end of last season.2/12/2017, 4:50:26 AM Question: what did bp injure last season Answer: left hand
[EX A]:
yes