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: "It's a tragedy. It's an outrage. And if deliberate, it's a war crime" Exec Dir Tony Lake on #Syria school attacks UNICEF (@UNICEF) October 27, 2016 Question: if the school attacks are deliberate, what type of crime is it? Answer: war

yes