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: Turkish decision to allow sex with children under 15 must be reversed. Children need more protection, not less, against violence, sex abuse.— Margot Wallström (@margotwallstrom) August 14, 2016 Question: what topic was president obama talking about? Answer: legislation to prevent gun violence

no