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: Hey everybody, thanks for your concern. We're all safe & doing well in the Russian segment. Follow @Nasa for updates on @Space_Station today— Sam Cristoforetti (@AstroSamantha) January 14, 2015 Question: who balked on conditions? Answer: munchak

Output: no


Input: Consider Input: Context: Everyone at #Crufts2015 horrified at death of Irish Setter Jagger & post-mortem found poison. Awful for all concerned Clare Balding (@clarebalding) March 8, 2015 Question: what type of explosions? Answer: huge

Output: no


Input: Consider Input: Context: Mudslide knocks house in Gilbert off foundation; woman taken to hospital #EyewitnessWV Eyewitness News (@wchs8fox11) March 4, 2015 Question: what happened to the woman? Answer: taken to hospital


Output: yes