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: .@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


Ex Input:
Context: @SamuelLJackson: Keep fighting and Stay Strong Strat! You can do it! #CapForStrat — Samuel L. Jackson (@SamuelLJackson) May 14, 2014 Question: who does jackson encourage? Answer: strat.

Ex Output:
yes


Ex Input:
Context: .@eliselabottcnn gives us an inside look aboard @Netanyahu's plane as he heads to DC for his speech to Congress The Situation Room (@CNNSitRoom) March 1, 2015 Question: whose plane was elise labott giving an inside look at? Answer: netanyahu

Ex Output:

yes