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: Oldham board member tells us deal to sign Ched Evans is OFF due to "enormous pressure from sponsors and threats to staff and their families"— Dan Roan (@danroan) January 8, 2015 Question: who was receiving threats? Answer: staff and their families

yes