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: Mourning the dead in our little town tonight. Praying for the survivors and preparing for whatever may come. #Montecito— Rob Lowe (@RobLowe) January 10, 2018 Question: when was this tweeted? Answer: sep 13, 2017
[EX A]: no

[EX Q]: Context: my heart is broken. i love you profoundly my dear friend. and i will miss you everyday. may flights... Zachary Quinto (@ZacharyQuinto) February 27, 2015 Question: who caused all of this? Answer: blatter wasn't sole responsible, more have to follow.
[EX A]: no

[EX Q]: Context: Hundreds of people running of out of Kathmandu airport. Scary shaking from aftershock #NepalQuake Jack Board (@JackBoard) May 12, 2015 Question: what type of shaking is happening? Answer: scary
[EX A]:
yes