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: My heart legit dropped, I'm not kidding. RT @chrisrock: Stopped by the cops again wish me luck. Tonja Renée Stidhum (@EmbraceTheJ) March 31, 2015 Question: who was stopped by the cops? Answer: chrisrock
[EX A]: yes

[EX Q]: Context: Environmental Racism + Indifference = Lead in the Water & Blood...The Poisoning of Flint's Water 0 #FlintWaterCrisis— Cornell Brooks (@CornellWBrooks) January 24, 2016 Question: what city is mr. brooks talking about? Answer: flint, mi
[EX A]: yes

[EX Q]: Context: Officials acted quickly to secure @NO_Airport. Our thoughts are with those injured in line of duty & we wish them a full & speedy recovery.— Mitch Landrieu (@MayorLandrieu) March 21, 2015 Question: what did officials secure? Answer: an airport.
[EX A]:
yes