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: 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 Output:
yes

Ex Input:
Context: I'm going to fight my heart out to make sure @realDonaldTrump's toxic stew of hatred & insecurity never reaches the White House. Elizabeth Warren (@elizabethforma) May 4, 2016 Question: why are karen and nick praying for friends and families? Answer: because of the victims of the nepal earthquake

Ex Output:
no

Ex Input:
Context: Thx for all ur concern about the break-in. Most importantly, everyone is safe. Guess that's what happens when the guard dogs go on vacation. Susan Sarandon (@SusanSarandon) August 4, 2014 Question: what is most important? Answer: everyone is safe

Ex Output:
yes