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: Extremely happy to have landed safely in #Oman! Looking forward to the rest of our adventure @bertrandpiccard #RTW André Borschberg (@andreborschberg) March 9, 2015 Question: why was andré so happy? Answer: he landed safely

yes