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: Heavy gunfire & explosions inside the university. I met Anastacia at the airstrip with serious gunshot wounds. Dennis Okari (@DennisOkari) April 2, 2015 Question: who did h meet at the airstrip? Answer: anastacia

yes