The Tennis Association (TA) is the governing body for tennis in the United Kingdom. Aleksander, a well-known international sports star who is ranked highly in the Association's competitive rankings, has been disqualified from a competition administered by the TA after he failed a drugs test. Aleksander contends that the testing method was flawed, and wishes to challenge the TA's decision. Advise Aleksander on whether the TA is a public body for the purposes of judicial review