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: Today we're taking action to restore our agency to its core mission. #KeepingPromises U.S. EPA (@EPA) March 28, 2017 Question: what meal was the scaling up nutrition meeting during? Answer: breakfast
[EX A]: no

[EX Q]: Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela
[EX A]: yes

[EX Q]: Context: I need more than she's a woman. #Hillary2016— Linda Sarsour (@lsarsour) April 12, 2015 Question: what did he turn? Answer: pro
[EX A]:
no