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: Don't even know what to say. To be in Vegas while this is happening, brings a pain to my heart. My team and I are safe Thank God! Prayers up Trey Songz (@TreySongz) October 2, 2017 Question: what did songz say after he thanked god? Answer: that his team and him were safe
[EX A]: yes

[EX Q]: Context: #RedCross preparing a boat loaded with tarpaulins, set to sail for Nui tomorrow #CyclonePam @Federation New Zealand RedCross (@NZRedCross) March 19, 2015 Question: what kind of products is the red cross taking to nui? Answer: tarpaulins
[EX A]: yes

[EX Q]: Context: I'm told, by multiple sources now, LeBron agent Rich Paul told Cavs he's impressed w what they've done and what they can still do to roster. Sam Amico (@SamAmicoFSO) July 7, 2014 Question: who was recently engaged on the bachelorette? Answer: andi dorfman and jmurbulldog
[EX A]:
no