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: #AFCON2015: Eq. Guinea sanctioned following Match 30 Ghana-Equatorial Guinea incidents -- Full Statement: CAF MEDIA (@CAF_Media) February 6, 2015 Question: what was the name of the incidents that caused the sanction? Answer: match 30 ghana-equatorial guinea incident

Output: yes

Input: Consider Input: Context: U. S. East Coast: find out today if you live in an evacuation zone. If so, decide where you'd go, how you'd get there if told to go #Matthew Dr. Rick Knabb (@NHCDirector) October 3, 2016 Question: what other action is degrading? Answer: condonig assault.

Output: no

Input: Consider Input: Context: If you are popular your critics don't have to be shot down in front of the Kremlin. Putin is just food in a prison, eat it or starve. Garry Kasparov (@Kasparov63) March 1, 2015 Question: what person is similiar to food in a prison that one can eat or starve? Answer: putin
Output: yes