Which of the following statements with regard to the Grand Slam Tennis Tournaments is/are correct? 1. The tournaments have a shared governance structure establishing the partnership among the four Grand Slam tournaments. 2. They are open for entry to all internationally ranked tennis players above the age of 14. 3. There is a limitation on the number of 'Wild Cards' a player may receive to compete in a Grand Slam Tournament. Select the answer using the code given below: