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: Before I enter any mall, I always scan for strange vehicles and emergency exits. I take keen interests on shoppers also. #Westgate6Months— Robert Alai (@RobertAlai) March 21, 2014 Question: who is columba bush married to? Answer: jeb bush

no