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: Tennessee's GOP Governor @BillHaslam has been elected RGA Chairman for 2015! The RGA (@The_RGA) November 20, 2014 Question: what is the author of the tweets emotion? Answer: disappointed
Example Output: no

Example Input: Context: YESSSSSS!!!! For more portability options, to take your #sriracha wherever you go! sriracha2go's photo BaconCupcake74 (@BaconCupcake74) January 21, 2016 Question: what location is being bombed? Answer: aleppo
Example Output: no

Example Input: Context: taylor.boards.net (@TSfanforum) November 15, 2017 Question: what time was this tweeted? Answer: 7:37 pm
Example Output:
yes