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: POWERFUL! 👊 Zimbabweans standing together against "corruption, injustice & poverty". #ThisFlag #ZimShutDown2016 Leandri J van Vuuren (@Lean3JvV) July 6, 2016 Question: what year was the zimbabwe shutdown movement? Answer: 2016

yes