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: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat
answer:
no

question:
Context: my heart is broken. i love you profoundly my dear friend. and i will miss you everyday. may flights... Zachary Quinto (@ZacharyQuinto) February 27, 2015 Question: who caused all of this? Answer: blatter wasn't sole responsible, more have to follow.
answer:
no

question:
Context: Giuliani on Trump allegations: "I've never seen him do anything remotely close to that" CNN Politics (@CNNPolitics) October 19, 2016 Question: who has never acted in the suggested manner? Answer: trump.
answer:
yes