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.

Input: Consider Input: 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

Output: yes

Input: Consider Input: Context: @cnni I hope the families of the victims get the truth and finally closure #Westgate6Months Ruthie Ruthie (@808Ruthie) March 17, 2014 Question: how powerful was the napa earthquake? Answer: 6.1

Output: no

Input: Consider Input: Context: Green Line: Service may be impacted Tuesday AM. Trains every 8-10 min with POSSIBLE shuttle bus replacement btwn Navy Yard & Gallery Place. Metrorail Info (@Metrorailinfo) January 13, 2015 Question: what should we do to face violence Answer: come together as one
Output: no