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: #PLL guy Toby (@KeeganAllen) says he deserves Spencer (@SleepintheGardn): true love. Yeah, get wins # USA TODAY Life (@usatodaylife) June 16, 2016 Question: who says he deserves spencer? Answer: toby
Example Output: yes

Example Input: Context: Why should you recycle coffee grounds? Watch, Share, Get in touch! #poweredbycoffee this #WorldEnvironmentDay ! bio-bean® (@Bio_Bean_UK) 5 June 2016 Question: how many times can the grounds be recycled? Answer: best results are no more than 3xs.
Example Output: yes

Example Input: Context: Russia thought they were doing the national anthem of Westeros? #Eurovision— Brian Truitt (@briantruitt) May 14, 2016 Question: who thought they were doing the national anthem of westeros? Answer: russia
Example Output:
yes