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: I do not like looking at #ChihiraAico, she creeps me out. Stacey Peck (@specktoria) January 7, 2015 Question: who creeps her out? Answer: chihiraaico

Output: yes

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: She's done it! @lindseyvonn takes the Downhill title for 2015...Tops a fantastic, record-breaking comeback year #worldcupfinals Christina Macfarlane (@chrissymacCNN) March 18, 2015 Question: what has lindsey vonn done? Answer: took the downhill title for 2015
Output: yes