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: Save Clarkson? Save empty cardboard boxes and off-cuts of string. They're far more useful.— James May (@MrJamesMay) March 11, 2015 Question: what was made at the #montrealprotocol? Answer: history

no