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: Pres Obama recited poem on Bradlee by Sen Moynihan: “O rare Ben Bradlee/His reign has ceased/But his nation stands/Its strength increased.”— Mark Knoller (@markknoller) October 22, 2014 Question: who is a total loser? Answer: karl rove
[A]: no


[Q]: 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
[A]: yes


[Q]: Context: Update from @OsamaDamo about our work to help kids & families in #Gaza and #Israel: Save the Children (@SavetheChildren) July 18, 2014 Question: who is the update from? Answer: osama damo.
[A]:
yes