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: #RedCross preparing a boat loaded with tarpaulins, set to sail for Nui tomorrow #CyclonePam @Federation New Zealand RedCross (@NZRedCross) March 19, 2015 Question: what kind of products is the red cross taking to nui? Answer: tarpaulins
[EX A]: yes

[EX Q]: Context: It's been one year since these four boys decided to be strong and stay for us # One Direction (@1DsUniverse) March 25, 2016 Question: how long has it been without zayn? Answer: one year
[EX A]: yes

[EX Q]: Context: Kellyanne's spin will make you dizzy. # Saturday Night Live (@nbcsnl) December 11, 2016 Question: purdue passed what team with a score of 77-52? Answer: penn state
[EX A]:
no