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: BratislavaSummit starts to bear fruit: All MS greenlight early EU ratification of #ParisAgreement. What some believed impossible is now real— Donald Tusk (@eucopresident) September 30, 2016 Question: where is the summit being held? Answer: bratislava

yes