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 Q]: Context: People,I Just Found Out The Loss Of Spiritual Mother,The Late,Great Ruby Dee.I'm Crushed By This Bad... Spike Lee (@SpikeLee) June 12, 2014 Question: what was ruby dee's nickname? Answer: spiritual mother
[EX A]: yes

[EX Q]: Context: @jtimberlake @iJesseWilliams Did you like the part when Jesse talked about white people stealing from us? That should resonate with you.— sockruhtese (@sockruhtese) June 27, 2016 Question: when was an announcement possibly expected? Answer: afternoon
[EX A]: no

[EX Q]: Context: Destroyed #MSF-supported hospital in Aleppo was well known locally & hit by direct airstrike on Wednesday. Hospitals are #notatarget #Syria— MSF International (@MSF) April 28, 2016 Question: how was the hospital destroyed? Answer: by an airstrike.
[EX A]:
yes