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: Amazing comments from the Pope- considering Vatican City is 100% surrounded by massive walls. Dan Scavino (@DanScavino) February 18, 2016 Question: who is the author of this tweet Answer: bobbi kristina

no