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.
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Question: 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

Answer: no


Question: Context: Can't sleep Too busy worrying about the controllers strike. Would prefer not to spend my holiday in the Airport. #airtrafficstrike— mafleen (@mafleen) June 25, 2014 Question: in what hospital is the msf team working? Answer: haradh hospital

Answer: no


Question: Context: #CyclonePam still tearing through #Vanuatu. "Much bigger than expected," says our colleague in Port Vila. Initial reports of devastation— UNICEF Australia (@unicefaustralia) March 13, 2015 Question: what city is being destroyed? Answer: vanuatu

Answer:
yes