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.

[Q]: 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
[A]: no


[Q]: Context: With my big sister Rebecca. I truly have the most incredible family and I am forever grateful for them. Gina Rodriguez (@HereIsGina) January 8, 2017 Question: what is this person grateful for? Answer: family and friends support.
[A]: yes


[Q]: Context: The progress we made today in #Munich can and must improve the lives of the Syrian people.— John Kerry (@JohnKerry) February 12, 2016 Question: who made progress in munich in february 2016? Answer: the usa
[A]:
yes