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: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: who's talking in the video? Answer: john kasich

Output: no


Input: Consider Input: Context: Met some of you #nolefam's yesterday. Autograph for a smile, hehe I think this exchange was in my favor. Novak Djokovic (@DjokerNole) August 14, 2014 Question: what does he think was in his favor? Answer: the exchange of autographs for a smile.

Output: yes


Input: Consider Input: Context: I had the strangest dream last night that some old friends and I had a top 10 record on iTunes. Crazy right...#shocked #humbled #thankful— JC Chasez (@JCChasez) July 30, 2014 Question: what does marty martin want to show to drake? Answer: presidential bling


Output: no