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: #SF waits with giant anticipation for return of World Champ #SFGiants to celebrate as one City with parade down Market Street on Friday!— Edwin Lee (@mayoredlee) October 30, 2014 Question: what day is the giants' parade? Answer: friday

yes