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 Input:
Context: #EbolaQandA My mom is flying into Love Field on Sat. Should she be concerned about catching Ebola? Blackhorse (@RoscoeTheHorse) October 1, 2014 Question: what business was miss cleo in? Answer: phone psychic

Ex Output:
no

Ex Input:
Context: @kelly_clarkson huge fan here and I think you are AMAZING! I also believe this ❤️ Kindness Matters! Ayel Rocks Kindness (@AyelAyel23) July 5, 2017 Question: what food is mentioned? Answer: a donut

Ex Output:
no

Ex Input:
Context: Despite this, they claim without evidence I'm in cahoots with Russian intel. Everyone knows this is false, but let's examine their basis: Edward Snowden (@Snowden) December 22, 2016 Question: who posted this tweet? Answer: psg officiel

Ex Output:
no