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: Tonight's #saopaulo #worldcup #naovaitercopa protest covered 8.5km from Tatuapé to Praça da Sé Ben Tavener (@BenTavener) April 30, 2014 Question: how far was the protest? Answer: 8.5km

yes