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: On saturday I will be playing 5th match after 11 o'clock. I will be playing on CENTRE COURT! Yeah baby! @Paralympic#GoTeamNL— Esther Vergeer (@EstherVergeer) Aug 30, 2012 Question: who keeps tabs on her royal highness and her child? Answer: kensington palace

no