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 Input:
Context: With my big sister Rebecca. I truly have the most incredible family and I am forever grateful for them. Gina Rodriguez (@HereIsGina) January 8, 2017 Question: what is this person grateful for? Answer: family and friends support.

Ex Output:
yes


Ex 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

Ex Output:
no


Ex Input:
Context: .@Bakari_Sellers: We don't want anything from white nationalists. All we want is human dignity and equity. CNN Tonight (@CNNTonight) December 22, 2016 Question: who wants power taken from white establishments Answer: the left

Ex Output:

yes