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.

[Q]: Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela
[A]: yes

[Q]: Context: Wish the #NotoriousRBG a Happy Birthday! Sign our card now: Kat Robertson (@mountainkat47) March 15, 2015 Question: what can you do when you click the link? Answer: sign our card
[A]: yes

[Q]: Context: So very sad to hear the awful news about Anton Yelchin. Such a fine actor with his whole career ahead of him. He will be remembered always. Mark Hamill (@HamillHimself) June 19, 2016 Question: where was the high scoring victory? Answer: carrow road
[A]:
no