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: Oops, Bradlee! Can hear Ben yelling now, "You White House clowns never get it right!" What a wonderful man.— David Gergen (@David_Gergen) October 22, 2014 Question: who is yelling now? Answer: ben

Ex Output:
yes


Ex Input:
Context: #vanessahicks is an #American who understands the heart&soul of our #Soldiers .She captured that in the most beautiful way! #flagbaby #USA— Tammy Motola (@tmotola) March 12, 2015 Question: whose heart and soul is understood? Answer: soldiers

Ex Output:
yes


Ex Input:
Context: Democratizing information has never been more vital, and @Wikileaks has helped. But their hostility to even modest curation is a mistake.— Edward Snowden (@Snowden) July 28, 2016 Question: what mistake has @wikileaks made? Answer: hostility to even modest curation.

Ex Output:

yes