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: 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
[EX A]: yes

[EX Q]: Context: Word is that Ford Motor, because of my constant badgering at packed events, is going to cancel their deal to go to Mexico and stay in U.S.— Donald J. Trump (@realDonaldTrump) October 25, 2015 Question: what type of badgering does donald do? Answer: constant
[EX A]: yes

[EX Q]: Context: 32 crew members, incl. 30 Iranians & 2 Bengalese, have gone missing after a Panama-registered oil tanker and a Hong Kong-registered bulk freighter collided off China's east coast on Sat evening. Search and rescue are underway People's Daily,China (@PDChina) January 7, 2018 Question: who did xavier defeat? Answer: arizona
[EX A]:
no