Given the task definition and input, reply with output. 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.

Context: Zahir's mother waits to see her son with a couple of presents for the girls... James Masters (@Masters_JamesD) November 28, 2013 Question: who is zahir's mother waiting to see? Answer: her son
yes