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: Breaking: @CharlestonPD confirm shooting unclear officially how many hurt. Saw 1 transported @ABCNews4#chsnews# Jason Tighe (@jtighe08) June 18, 2015 Question: what did chris rock ask his followers for? Answer: luck

Ex Output:
no

Ex Input:
Context: Mirka and I are so incredibly happy to share that Leo and Lenny were born this evening! #TwinsAgain #Miracle Roger Federer (@rogerfederer) May 6, 2014 Question: who is report the soldier is dead? Answer: official sources

Ex Output:
no

Ex Input:
Context: Didn't realize until just now that I was never informed of my Miranda rights. #Ferguson Ryan J. Reilly (@ryanjreilly) August 14, 2014 Question: what right did ryan j. reilly not know about? Answer: miranda rights

Ex Output:
yes