instruction:
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.
question:
Context: Our very weak and ineffective leader, Paul Ryan, had a bad conference call where his members went wild at his disloyalty.— Donald J. Trump (@realDonaldTrump) October 11, 2016 Question: who does donald trump think is an ineffective leader? Answer: paul ryan
answer:
yes


question:
Context: To clarify, I was referring to Pres Obama's national security decisions that have led to rise of #ISIL, not to the President himself— John McCain (@SenJohnMcCain) June 16, 2016 Question: who did people think john mccain was referring to? Answer: president himself
answer:
yes


question:
Context: @Maisie_Williams Hi Maisie, Sorry you where denied. It's due to the complimentary alcohol available, we can only admit passengers over 18yrs— British Airways (@British_Airways) July 20, 2014 Question: how much does alcohol cost on this flight? Answer: it's complementary
answer:

yes