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.

[Q]: Context: Can't sleep Too busy worrying about the controllers strike. Would prefer not to spend my holiday in the Airport. #airtrafficstrike— mafleen (@mafleen) June 25, 2014 Question: in what hospital is the msf team working? Answer: haradh hospital
[A]: no


[Q]: Context: A5: Look at your projections. If they show you are better off selling, then sell. Hold out if it shows there are better offers. #CNNAfrica— Gossy Ukanwoke (@gossyomega) January 14, 2015 Question: what is the tweeter watching? Answer: the vice presidential debate
[A]: no


[Q]: Context: Winning candidates don't threaten to put opponents in jail. Presidents don't threaten prosecution of individuals. Trump is wrong on this.— Ari Fleischer (@AriFleischer) October 10, 2016 Question: who is wrong for threatening prosecution? Answer: president trump
[A]:
yes