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: In honor of "Labor" Day...Ace & Penny would like to make an announcement. Their parents couldn't be happier! Carrie Underwood (@carrieunderwood) September 1, 2014 Question: what type of photography has been completed? Answer: principal

no