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: To support @scrippsresearch's work in finding a cure for #Ebola, donate here: c — OutFrontCNN (@OutFrontCNN) October 20, 2014 Question: who is with prince william and harry in this picture? Answer: their father

no