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: Mary Berry's diet never fails to surprise us... #BakeOffHighlights #GBBOFinal British Bake Off (@BritishBakeOff) October 26, 2016 Question: what did the prime minister share with narendra? Answer: some very emotional things

Ex Output:
no

Ex Input:
Context: Last ever appearance at Old Trafford as a Manchester United player? Ryan Giggs brings himself on with 20 mins to go Mark Pougatch (@markpougatch) May 6, 2014 Question: how would you describe fashion week look no.17? Answer: gambia noir.

Ex Output:
no

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