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: This is exhilarating! Almost like climbing a mountain for the first time. Miriam Friedrich (@MiriFriedrich) April 6, 2015 Question: where is alan p. gross? Answer: washington

Answer: no


Question: Context: #MSF team working in Haradh hospital, north of #Yemen has received 30 wounded plus 15 dead bodies following airstrike on IDP camp today— MSF Ireland (@MSF_ireland) March 30, 2015 Question: in what hospital is the msf team working? Answer: haradh hospital

Answer: yes


Question: Context: Raj uses the plane washroom pre-take off. He sees a face in the mirror. "This might be a ghost" he thinks.... #GhostPlane— Aziz Ansari (@azizansari) December 8, 2014 Question: which teams are involved in the trade? Answer: wolves and pistons

Answer:
no