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: Note: Tonight's City Hall melee occurred beneath a ceiling painted with allegories of Western democracy.— Nicholas J.C. Pistor (@nickpistor) January 29, 2015 Question: who wrote this tweet? Answer: nicholas j.c. pistor

yes