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: Moving to @ManUtd was my decision. It's exciting to play at the world's best club and in such a competitive league.— Radamel Falcao (@FALCAO) September 2, 2014 Question: who had a way about him? Answer: paul walker
[EX A]: no

[EX Q]: Context: Nature does dams too. They are just sliiiightly smaller than the ones I saw upstream. #endangeredriver John D. Sutter (@jdsutter) June 23, 2014 Question: what situation is bahai in? Answer: in some kind of captivity.
[EX A]: no

[EX Q]: Context: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what was sarah holmes afraid of. Answer: ongoing terrorist threats.
[EX A]:
yes