Detailed Instructions: 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.
Q: Context: "Do you still throw spears at each other?"- Prince Philip, the British royalty our government knighted, to an indigenous Australian in 2002. Paul Verhoeven (@paulverhoeven) January 25, 2015 Question: when did he report the titans were planning to bring him back? Answer: on friday
A:
no