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: @SamuelLJackson: Keep fighting and Stay Strong Strat! You can do it! #CapForStrat — Samuel L. Jackson (@SamuelLJackson) May 14, 2014 Question: who does jackson encourage? Answer: strat.
[EX A]: yes

[EX Q]: Context: I love all the snow pictures of my southern friends because they actually appreciate the snow 💖 ❄️— Abby Kreuser (@Abalicioussss) February 26, 2015 Question: where are abby’s friends from? Answer: the south
[EX A]: yes

[EX Q]: Context: Took some time out this morning to watch the Russian aircraft carrier Admiral Kuznetsov going past Dover. Jon Hall (@JonHall_) 21 October 2016 Question: which russian aircraft carrier? Answer: the admiral kuznetsov
[EX A]:
yes