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: I love my @Royals!!! Thanks for the best Series I've seen in 29 yrs! Congrats San Francisco Giants.— Rob Riggle (@RobRiggle) October 30, 2014 Question: who does rob give congratulations to? Answer: san francisco giants

yes