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: Pink's face about @xtina butchering every song tonight 😂😂 #AMAs2017# Alli Kuhl (@alli_kuhl) November 20, 2017 Question: who is butchering every song? Answer: christina aguilera

yes