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.

Example Input: 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
Example Output: yes

Example Input: Context: Home sweet home, great weekend in #saumur so many good memories and a brilliant way to start the season :) Joanne Eccles (@joanne_eccles) April 22, 2014 Question: who are closing in on him? Answer: regime forces
Example Output: no

Example Input: Context: .@aetiology on Ebola: "Your cousin from Dallas is NOT going to turn your town into a scene from 28 Days Later." — Matt Sullivan (@sullduggery) October 1, 2014 Question: what city should not be worried about ebola? Answer: dallas
Example Output:
yes