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: RIP the great & wise Oliver Sacks, whose Musicophilia is one of the most compelling (& moving) reads on music & the brain ever written— Howard Goodall (@Howard_Goodall) August 30, 2015 Question: who is being asked to apologize? Answer: united

no