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.

Context: "I'm my opinion the firearm shown in the surveillance stills is a glock pistol" witness testifies @susancandiotti Lawrence Crook (@LawrenceCNN) March 11, 2015 Question: who brought down the house at the super bowl party? Answer: macklemore
no

Context: Uh oh! Dad showed up. No more fun anymore. ;-) @KelseyGrammer @twitter— William Shatner (@WilliamShatner) July 1, 2014 Question: who did william shatner say showed up Answer: dad
yes

Context: Mr. Letterman, you have always been the best. I've had more fun on your show and you've been a class guy all the way. Enjoy ur final days.— jason alexander (@IJasonAlexander) April 3, 2014 Question: who was davis' speech steered towards? Answer: girls who was told they have dark skin

no