Definition: 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: Context: Ben Ainslie was sailing by Necker Island, boat had mechanical trouble so we helped rescue him! Richard Branson (@richardbranson) January 12, 2015 Question: what happened to ben ainslie's boat? Answer: it had mechanical trouble

yes