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: Okay, we can OFFICIALLY say it! WE ARE SO #HAPPY to announce PHARRELL WILLIAMS = #NewVoiceCoach for SEASON 7. The Voice (@NBCTheVoice) March 31, 2014 Question: what day is freedom day in south africa? Answer: april 27th

no