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: I spoke to a player who is close to LeBron... He laughed at the notion that Heat's recent moves would impress LeBron.... (1/2)— Ethan J. Skolnick (@EthanJSkolnick) July 9, 2014 Question: who is the "serial" host? Answer: sarah koenig
[EX A]: no

[EX Q]: Context: Want better food at school? THEN INCREASE EDU FUNDING. Stop blaming people who at least tried to make it healthy #ThanksMichelleObama— The Happy Feminist (@HappyFeminist) November 21, 2014 Question: whose response is this? Answer: kim jong un
[EX A]: no

[EX Q]: Context: Our vision @oneworldhealth is to empower communities to achieve long-term improvements in health and quality of life OneWorld Health (@OneWorldHealth) March 24, 2016 Question: what is one world health vision? Answer: to empower communities
[EX A]:
yes