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: 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 A]: no

[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: .@prattprattpratt I've got a costume you can use it if you want! #IndianaJones Adam Savage (@donttrythis) January 27, 2015 Question: this tweet doesn't make sense Answer: this tweet doesn't make sense
[EX A]:
no