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: 32 crew members, incl. 30 Iranians & 2 Bengalese, have gone missing after a Panama-registered oil tanker and a Hong Kong-registered bulk freighter collided off China's east coast on Sat evening. Search and rescue are underway People's Daily,China (@PDChina) January 7, 2018 Question: who did xavier defeat? Answer: arizona

no