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.

Example Input: Context: Found solutions. Ready to start drafting immediately.— Javad Zarif (@JZarif) April 2, 2015 Question: how was the video described? Answer: sweet
Example Output: no

Example Input: Context: Ghana journos are safe. Police barricade separates us from the fans. We're ok. For now. #afcon2015 Gary Al-Smith (@garyalsmith) February 5, 2015 Question: who's thoughts do they want? Answer: speaker cruz
Example Output: no

Example Input: Context: I like this guy's spunk. "You won't make it to the Bay..you'd better be one f'ing good paddler" I have my doubts too! John D. Sutter (@jdsutter) June 24, 2014 Question: where is he making it to Answer: bay
Example Output:
yes