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: .@Salahmezouar & @RoyalSegolene present globe & delegates hold up #solar lanterns in honor of #ParisAgreement & #ClimateAction at #COP22 UN Climate Action (@UNFCCC) November 7, 2016 Question: how is dusty related to the iron sheik? Answer: brother

no